How long will a 5lb co2 tank last

How long your welding gas cylinders will last depends on the gas flow rate. A cylinder with a capacity of 80cf will last about 4h if the flow rate is set at 20cfh. In comparison, a 125cf cylinder will last 12.5h if you use a flow rate of only 10cfh. Estimating how much gas you have left depends on the gas type but it's fairly easy to do.

How long will a 5lb co2 tank last. Stainless Steel 5 lb Co2 Carbon Dioxide Tank 10 lb Dry Fire Extinguisher Vehicle Mount Bracket 5" to 5.25" Diameter Cylinders $69.95 $ 69 . 95 FREE delivery Jan 25 - 29

in a 55g tank i guess im sposed to run like 3 bps or so... with one of those amano 3 oz tanks how long would a tank probably last? month? 2? 3? in this thread in this sub-forum in the entire site. ... how long would co2 last. 983 Views 9 Replies 8 Participants Last post by Jaggedfury, Oct 26, 2010.

1. Check CO2 Tank: The first step is to inspect the CO2 tank. Ensure that the tank is not completely empty by checking the pressure gauge. If the gauge shows low pressure or is in the red zone, it's time to either refill or replace the CO2 tank. 2. Inspect CO2 Lines: Examine the CO2 lines for any visible signs of damage or leaks.Mar 30, 2021 ... Comments17 · How Long Can A Co2 Tank Last - Co2 Tank Sizes Chart [CryoFX] · Anatomy of a Beer Kegerator · How to setup CO2 tank regulator and&...Look for a welding supply store. You can pick up a 5lb bottle for $50ish most the time. Refills are usually only $10ish. It’ll last you months on a 20 long and the regulators for change 320 style tanks are usually way better quality.5279 posts · Joined 2006. #3 · Jun 24, 2008. I have 2 20ozers and a 24oz. 16oz is a pound. Mine lasts about 6 weeks on a 29 with a glass diffuser. If you have a reactor the gas will last longer as you geet 100% of the gas dissolved. For that large a tank I wouldnt recommend such a small tank. Ehfipimp #273 ( Eheim Classic: 2260, 2217, Eheim ...Carbon dioxide, or CO2, forms a covalent bond. Any compound made up of non-metals will form a covalent bond, while compounds made of a metal and non-metal form an ionic bond. A cov...7439 posts · Joined 2005. #2 · Jan 29, 2007. The pressure in a CO2 bottle should be around 700-800 psi, as long as there is any liquid in the bottle. If you truly do have 2000 psi, you have a major problem. I suggest taking the tank back to whomever filled it and asking them to verify that it isn't overfilled.

At STP ~44 grams (one mole) of CO2 will occupy about ~22.2 liters of volume. a proper 5lb co2 fill has about 50 moles of CO2 gas. This works out to about 1100l of CO2 at STP. Working at STP, a 2 volume batch of beer will use approximately 46l of CO2. That yields a theoretical value of 46 kegs per fill for force carbing.A 5lb Cylinder of CO2 will dispense roughly 8 (eight) 1/2bbl kegs, or about .6 lbs required per 1/2bbl with nominal dispensing conditions. If you ran a 5lb tank out with one keg, you have a leak. Do some searches for leak testing procedures, and do the soapy water thing and look for bubbles.3656 posts · Joined 2007. #2 · Apr 15, 2021. You should get a 5lbs/ 2.2kg co2 tank for an aquarium that size unless you're fine with refilling co2 every week. The 5 lbs tank should last you several months. I have a 20 lbs tank and it should last me a year, Algae happens. Share.I fill from a 50 to 5's often and as the bigger tank empties you will notice the 5# getting filled less and less like this: 4.8, 4.7, 4.6.... Get a high pressure hose rated 2500plus PSI to err on the high side and have a shop crimp in 1/4" females on both ends. Teflon tape a cga 320 stem RH and nut on both sides.6. If all your seals are airtight a 5 pound tank should last you many kegs. Too many for me to keep count. Bad gaskets, improperly seated poppets and bad hose connectors or clamps cause small leaks that will drain your CO 2 in no time. Some keggers only connect the gas line to the keg when it starts to peter out. Tight seals are the key.

CO2 is liquid, about 400x times as dense as a gas at 1 bar. Quick calc: 14lbs/2.2=6.36kg. 6360g / 1.977g/l = 3219 liters. 3219 liters / 10LPM = 322 minutes of welding. I have a 30lb tank I mix with argon at 25%. Have gone through 3 bottles of argon (1 80cf, 2 125cf). The CO2 tank still feels just as full. Some o fthe argon was used for TIG though.One 90 cm tank could probably consume a 2-liter tank of CO2 in 3-4 months, depending on the usage. High-light setups as already known does require more CO2 since plant photosynthesis is way faster compared to low or medium lit tanks and of course larger tanks would naturally need more CO2. Medium sized, low to medium lit tanks would only ...

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5lb CO2 tank will make roughly 85 to 132.5 liters. I typically carbonate 5 gallon soda kegs, and depending on the amount of carbonation I'm forcing into each keg, I'm usually able to get between 5-7 kegs out of a 5lb CO2 tank. 1 gallon = 3.8 liters. 5 gallons = 18.9 liters. 25 gallons (5 kegs) = 94.6 liters. 35 gallons (7 kegs) = 132.5 liters. Your cylinder should last long, like a year or longer. A really long time. I have a 10 lb tank. I used it for a keg of beer, probably depleting about 1/4 to 1/2 of it, and have been using it on my planted tank for a year and a half now. I still have decent pressure, and I'm assuming it will last a fair bit longer. Dunno if RexGrigg is still selling CO2 setups, but I purchased mine from him 3-4 years ago and have nothing but great things to say about the quality of the parts. My regulator, low pressure regulator, check valve (highly recommended, especially if your CO2 tank is lower than your fish tank), and needle valve setup was ~$160 shipped.A 5 lb CO2 tank is approximately 17 inches tall and 8 inches in diameter. The capacity of this size tank is 5lb of CO2 and it can hold 80-90 cubic feet of CO2. The usual dimensions of a 5 lb CO2 tank are 12. 2” diameter x 17.5” height. The empty weight of a 5 lb CO2 tank is 15-17 pounds and the full weight of it is 22.5-25.5 pounds.

A good quality CO2 tank will last for at least 4 to 5 years because the quality and the manufacturing are up to the mark. In comparison, a low-quality tank that isn’t expensive might work well for a few months only. Investing in a high-quality tank is best if you play paintball regularly. I recommend investing in an excellent CO2 tank because ...Mar 8, 2008. #10. I use an automatic co2 doser in one tank, and a regular solenoid that turns off at night in my others. The automatic lasts about 8 months, the regular solenoid about half that. Oh, and its a 5 gallon bottle. Expand signature. 720g - used to have 10 plecos.I've been using a 5lb CO2 tank with my drinkmate for a few months now, I've probably gone through 10 or so tanks with no issues. I just switched over from my brewery (which closed) to an Airgas for the Co2 exchanges and noted on my first tank that my Drinkmate now just releases CO2 as soon as I open the tank and not when I press the Drinkmate button and the only way to stop it is to shut off ...It depends on a few factors. If you are using the CO2 only to dispense the beer, not to carbonate it, you may get as many as thirty 5 gallon Cornelius kegs out of one 5 lb. CO2 cylinder. However, most homebrewers are also using CO2 to force carbonate their brew, so this brings it down to around ten 5 gallon Cornelius kegs out of one 5 lb. CO2 ...This 20 lb tank has carbonated and pushed at least 10 kegs. However, this 5 lb tank I've filled twice. One keg was pushed serving at an event and the rest (2 fills total) has been used to pressure cold crash and transfer 1 beer and otherwise used to purge bottles when filling with a beer gun. This seems to be emptying way too fast.The best method to measure co2 is through ph drop. Bubble counters do not tell you how much co2 you have in your tank. What works in my 6g tank might gas your inhabitants in your 40g. And size of bubbles are drastically different depending on pressure as well as diffuser. Everyone's setup is different. I'm emptying 5lb bottle every 4 months.It'll really depend on how much you dose CO2. I have a 5lb tank on my 75 gallon, but I have plants don't need a lot of CO2. I'm running mine at 1/Bps. My 5lb tanks lasts about a year. I'm setting up a 29g soon with another 5lb tank and I'll be using plants that need more CO2. I'll probably need to refill that tank every 4-6 months from past ...That being said, lately I feel my CO2 has been running out extremely fast. In the past, I could get 3-4 corny kegs carbonated, then dispensed from my kegerator with a single 2.5lb CO2 tank. Now I am having to refill my CO2 every 1.5-2 kegs. To get into specifics, I generally will force carbonate my corny keg at 23 PSI for about 3 days.

The answer to the question is about (8) 1/2 barrels out of a 5lb co2 tank, based on a proper fill, and assuming no leaks in the system. The rule of thumb is .6lbs of co2 per half barrel. If you have an accurate scale at home, you can tell if you're getting a proper fill by weighing the tank.

Hi! I bought a 5lb co2 tank and im using a carbonator cap to carbonate sodas. One guy told me it could make about 1500l of carbonated drink, but i think that sounds a bit high for a small 5lb tank. I would really want somebodys opinion on this. Thanks in advanceIt's rated for 22,000 BTUs (11,000 each hob) so I enter that in the first field with 1 lb of gas in the 2nd field. The calculator estimates 0.98 hours of burn time. On their product page it estimates a 1 hour burn time so that's pretty close. They say it gets a total of 22,000 BTUs of cooking power. That's using both hobs at the same time ...If you'd like to keep an amphibian as a pet, you'll have to learn how to set up a tank for amphibians. Learn how to set up a tank for amphibians in this article. Advertisement Amph...How long will a 2.5lb last? Jump to Latest Follow 672 views 1 reply 2 participants last post by Darkblade48 Nov 6, 2009Smaller CO2 tanks, such as the 2.5 or 5-pound options, are commonly used for home kegerators or setups with limited space. These tanks are more compact and easier to handle, but they do have a shorter duration. On average, a 2.5-pound CO2 tank can last for around 2-4 full kegs, while a 5-pound tank can last for approximately 4-8 full kegs.Jan 14, 2012. Messages. 1,022. Your tank will vary depending on your water, tank size, and bubble count. Making sure tight connections is also key, I learned this the hard way as a 10 lb lasted 6 weeks.The tank pressure wont start dropping until it is nearly empty. My understanding is the liquid is gone at this point and only gas remains. Somebody correct me if that is wrong. Regardless, usually will only last a few days after it begins to drop. That does seem fast to burn through 5 lbs. Should do a thorough leak check with soapy water on ...Oct 23, 2022 ... ... 5lb tank holds 2268g of CO2, divide by 16g…. So the 5lb tank will do 141.75 bottles. At 1 per day average, that should last around 4.75 ...Mar 8, 2008. #10. I use an automatic co2 doser in one tank, and a regular solenoid that turns off at night in my others. The automatic lasts about 8 months, the regular solenoid about half that. Oh, and its a 5 gallon bottle. Expand signature. 720g - used to have 10 plecos.

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I'm looking to upgrade my aquarium from liquid co2 to a pressurized system so I can get carpeting and vals. So far I've looked at both a 24oz…The chemistry of CO2 works out so that a 5 lb tank turned into gas at 1 atmosphere at 0 degrees C will yield 1150 liters, more of less of CO2. A 5 gallon Corny will take about 20 liters or so to fill, so if you are carbonating to 2.5 Volumes, you will use about 70 liters per keg, if you count dispensing volume. it would be enough gas to ...6. If all your seals are airtight a 5 pound tank should last you many kegs. Too many for me to keep count. Bad gaskets, improperly seated poppets and bad hose connectors or clamps cause small leaks that will drain your CO 2 in no time. Some keggers only connect the gas line to the keg when it starts to peter out. Tight seals are the key.5lb CO2 tank will make roughly 85 to 132.5 liters. Does a CO2 tank go bad? ... How long does 5lb CO2 tank last Aquarium? You’ll need about 5lbs a month for your 75gallon tank. A good reactor and turning off the gas …How long will a CO2 Tank Last? ... This means the 20lb. tank should theoretically last 44 days (175/4), while the 5lb. tank will last about 11 days (44/4). These estimates do not take into account plant uptake of CO2, opening doors or curtains, or other opportunities for CO2 to escape and require replenishment.Just set up my new 5lb co2 tank. How long can i expect it to bubble before it needs refilling? Just wanting a ballpark guess. 1000lb current pressure 30lb operating pressure 60 bubbles per minute 80 gallon tank 30lb operating pressure 60 bubbles per minute 80 gallon tankLocation. Worcester. 4 Aug 2011. #9. To give you some idea, I have a 500gram co2 canister running at 1 bubble per second and it normally lasts about 3 and a half months. So in your tank with such high lighting and tank size would probably last you about a month or less.How long will a 2.5lb last? Jump to Latest Follow 672 views 1 reply 2 participants last post by Darkblade48 Nov 6, 2009A 5lb tank of CO2 will last for 15-20 5-gallon kegs of beer. There's no easy apples-to-apples comparison (soda is more highly carbonated than beer, and I'm not sure of the effect on efficiency from carbonating such small batches), but any way you work it paying $15-20 for a refill is a much better deal than paying for SodaStream cartridges.The answer to the question is about (8) 1/2 barrels out of a 5lb co2 tank, based on a proper fill, and assuming no leaks in the system. The rule of thumb is .6lbs of co2 per half barrel. If you have an accurate scale at home, you can tell if you're getting a proper fill by weighing the tank.45-50 days. In a 10 hour cycle, you would use about 20-25gms of cO2 running it at about 2 bps. Try getting a short body co2 cylinder. These cylinders are "fat" but not "tall", so if height is the constraint then this would be a better option. Refilling cylinder every few days can get very frustrating. -Preeths.Once I start injecting co2 it jumps to 800ish after a couple minutes. I filled up the little 5lb tank about a month or so ago I'm already down to 600. I am running a high bps from two points but I didn't think it would go so fast especially when the 10 (I know dbl the size) lasted sooooo long! ….

5lb will last 6-7months on for about 6-10hours a day at 2-3bps. on a 29gal. I moved up to a 75gal and added a pH controller and it last 6months tops now. And it cost the same to fill up a 5lb-20lb tank so buy as big as you can. Like.The frequency of CO2 tank refills depends on various factors such as the size of your tank, the carbonation level desired, and the amount of beer you dispense. Generally, a 5-pound CO2 tank can last for approximately 5-8 kegs, but it's recommended to keep a spare tank on hand to avoid running out. 2.How to refill 5lb co2 tank from 20lb co2 tank: 1.Chill the 5lb co2 tank (put it in the freezer overnight) 2. Heat a 20 lb CO2 tank (direct sunlight for about 2 hours) 3.Connect the 20lb and 5lb tanks to the transfer hose, with the needle valve closest to the 5lb tank (Tighten with 12"adjustable wrench),Don't forget the gaskets in both ends . 4.Smaller tanks, such as 2.5 lb or 3 lb tanks, are often used for portable kegerators or for smaller keg sizes. Larger tanks, such as 50 lb or 100 lb tanks, are primarily used for commercial applications. When selecting the size of your CO2 tank, consider your usage frequency, keg size, space constraints, and portability needs.As the world becomes more conscious of the impact of climate change, it’s essential to take steps towards reducing your carbon footprint. One major way to do this is by monitoring ...I would assume that if you burnt through a who 24oz tank in a day then your system is leaking somewhere. For a tank that size I would absolutely recommend getting a 5 or 10lb CO2 tank. My tank is 120 gal, I cannot even tell how many BPS I am running because it is going so fast. My 5lb tank lasts about 3-4 weeks.How long your welding gas cylinders will last depends on the gas flow rate. A cylinder with a capacity of 80cf will last about 4h if the flow rate is set at 20cfh. In comparison, a 125cf cylinder will last 12.5h if you use a flow rate of only 10cfh. Estimating how much gas you have left depends on the gas type but it's fairly easy to do.How long does your Co2 tank last. Jump to Latest Follow 1 - 16 of 16 Posts ...I have a small area 4ftx4ftx6.5ft grow tent. Im running 8 plants in flowering how long will a 10lb co2 tank last? I was thinking about getting one since my grow is small.I will be using a titan regulator with it.7439 posts · Joined 2005. #2 · Jan 29, 2007. The pressure in a CO2 bottle should be around 700-800 psi, as long as there is any liquid in the bottle. If you truly do have 2000 psi, you have a major problem. I suggest taking the tank back to whomever filled it and asking them to verify that it isn't overfilled. How long will a 5lb co2 tank last, Considering this average figure, if the vehicle's consumption is greater, the reserve will last for fewer miles, while if the car is extremely efficient, the spare fuel may last a longer time., The CO2 that the tank has been filled with is very cold (between -57 and -78 degrees degrees). At that temperature, the CO2 puts out only 100 PSI (pounds per square inch). At room temperature (70 degrees), the tank puts out about 850 PSI, and at hot temperatures (around 110 Degrees), the tank can put out a whopping 2000 PSI., Feb 4, 2020 ... We go over how to know when you need to bring in your tank in to get more Co2. www.WhatAlesYa.com., A while back I paid $42 to have a 15 lb tank filled in 2021 at a fire extinguisher supply. I see a message on a group chat that current prices there are $33 for a 5 lb refill and $45 for a 20 lb refill. I think they charge around $25 for certification and it takes a few days. So, I wish I could swap my 5 lb tank for $21., How many kegs can I dispense with one CO2 tank? A standard 5lb. CO2 tank can dispense between 2 to 4 full-sized kegs, depending on the ambient temperature. The colder the ambient temperature the closer you will get to 4 kegs. It takes approximately 1/2 lb. of CO2 to dispense a 1/4 barrel of beer., Is hard to tell how long it will last is all depend how much you gonna use and how stable your water be and what size is your tank plus how heavy is planted. I have 18 tanks and I average anywhere from 2-4 months on 5.lb refill, some tanks I have 20.lb and they last up to half year .. Advertisement., The amount of time a 5lb CO2 tank will last in a kegerator depends on many factors, including how often it is used and how large the beer lines are. Generally, a 5lb tank can last anywhere from one to three months if the kegerator is used regularly. It is important to remember that a CO2 tank needs to be refilled periodically, as the CO2 is ..., A 5lb CO2 tank can typically dispense between 6-8 half barrel kegs, assuming it is full. A half barrel keg holds 15.5 gallons of beer, so you can dispense between 93.0 and 124.0 gallons. Of course, the number of kegs you can dispense will depend on a variety of factors, including the temperature of the environment the tank is stored in, the ... , How would you hide a 5lb CO2 tank for a 20 gallon high aquarium? Jump to Latest Follow ... And a 5lb cylinder under my 20g tank. Save Share. Like. 0 Reply. thinBear. 288 ..., It’s rated for 22,000 BTUs (11,000 each hob) so I enter that in the first field with 1 lb of gas in the 2nd field. The calculator estimates 0.98 hours of burn time. On their product page it estimates a 1 hour burn time so that’s …, 20 lb cylinder feeding a 55 gallon and a 29 gallon lasted 17 months the last time (the right tubing makes a huge difference). A 5 lb feeding a 20 gallon tank has been going for around 18 months. Again your mileage will vary. Depends on size of tank, type of tubing, how much surface disturbance you have., How Long Do CO2 Tanks Last on Average? Estimating how long your CO2 tank will last on average is based primarily on the size of the keg involved. As a baseline, know that you can use a 5-pound tank of CO2 to dispense about 6 to 8 kegs. You can calculate the length of time according to how much beer or other beverage you pour., Read the tank's label to determine weight (60L is around 438grams). Grab a wrench and unscrew the top (slowly to let any excess gas leak out). Use kitchen scale to measure empty tank (around 500 grams with the top valve removed). Fill with dry ice (I use a 3D printed funnel to help), use kitchen scale to weigh the tank as you add more dry ice ..., Hi! I bought a 5lb co2 tank and im using a carbonator cap to carbonate sodas. One guy told me it could make about 1500l of carbonated drink, but i think that sounds a bit high for a small 5lb tank. I would really want somebodys opinion on this. Thanks in advance, You are correct in that the left gauge is the working pressure and the right gauge is the pressure inside your co2 tank. Should be around 800 to 700 psi when full. ... Bump: By the way, a 5lb cylinder on a 25g tank might last 4-6 months at average use. A 10lb cylinder will double that, or a 50g tank will halve it. ... How long it takes to go ..., These bigger tanks have a larger capacity and can last significantly longer. A 10-pound CO2 tank can provide around 16-20 full kegs, while a 20-pound tank can last for approximately 32-40 full kegs. When choosing the size of your CO2 tank, it’s important to consider your usage patterns and frequency., Feb 10, 2019 · It’s possible it’s leaking. Might wanna check with some soapy water. my 10lb tank lasts me about a year on my freshwater tank with maybe 6 bubbles per second running 10 hours a day. Not sure if calcium reactors run 24/7 but at your bubble count I’d imagine your tank should last about the same amount as my 10lb I would think. Nov 17, 2022. , Other than being the oxygen tank duration calculator, there are many different names for this tool is famous as: Oxygen calculator;; Oxygen flow rate calculator; and; O 2 tank calculator.; Our tool provides information on how long an oxygen tank will last based on size and flow rate.Picturing an oxygen tank immediately brings to mind a hospital or healthcare facility, which signifies its value., 6. If all your seals are airtight a 5 pound tank should last you many kegs. Too many for me to keep count. Bad gaskets, improperly seated poppets and bad hose connectors or clamps cause small leaks that will drain your CO 2 in no time. Some keggers only connect the gas line to the keg when it starts to peter out. Tight seals are the key., General Planted Tank Discussion. Help with my C02 Please. 1353 Views 12 Replies 6 Participants Last post by d2creative, Mar 9, 2020. d2creative Discussion Starter ..., The frequency of filling your kegerator CO2 tank will depend on how often you use your kegerator. On average, a standard 5-pound CO2 tank can last for about 5-8 half-barrel kegs. If you use your kegerator frequently, you may need to refill the CO2 tank every 2-3 months., 1.5 LB CO2 Tank (Aluminum) Quantities can be updated on the Shopping Cart page. Continue Browsing View Cart / Checkout. Related Products. Safety Wall Bracket for CO2 Tank. Part# CO548 $14.99 $12.95. CO2 Tank Wrench - Metal. Part# CO705 $5.99 $4.50. CO2 Tank Wrench - Plastic. Part# CO705P $4.99 $3.95., It'll really depend on how much you dose CO2. I have a 5lb tank on my 75 gallon, but I have plants don't need a lot of CO2. I'm running mine at 1/Bps. My 5lb tanks lasts about a year. I'm setting up a 29g soon with another 5lb tank and I'll be using plants that need more CO2. I'll probably need to refill that tank every 4-6 months from past ..., Kegco CO2 Cylinders. Brand new (not reconditioned) Easy carry handle (10, 15, and 20 lb. tanks only) Made of high quality aluminum alloy. Lighter than steel tanks and will not rust. 1800 PSI. CGA-320 Valve. Tanks are shipped empty. Suitable for use with kegerators, beverage dispensing, carbonation, aquariums, and industrial and welding operations., Similarly, a the standard in-tank ceramic diffusor isn‘t that effective for shallower tanks - and inline reactor or inline diffuser is a better choice. 24oz paintball tanks last me about 2.5 months on my 40 gallon. I have a 2.5lb on my 20 long. I can get 4-5 months., Feb 8, 2018 · I have bought this CO2 tank back in 2015 and its still running 24/7. How long it will last .... ? I don't know yet. , I'm completely new at this, so please bear with me. I have a 5lb Co2 cylinder on order, but I have a few questions. ... 1. How long does a 5lb tank last for a 29 gal.? 2. Which regulator is the best, Milwaukee, or JBJ? 3. When should I refill the tank (Psi)? Thanks in advance. Lissette . R. reiverix Aye. Sep 4, 2004 1,470 0 0 55 Columbus, OH ..., Re: How Long does a 15lb CO2 tank last you? « Reply #1 on: November 20, 2009, 03:01:25 pm » you should be able to get 25-30 kegs carbed and served with that tank., Brand new aluminum 5 lb CO2 tank made from high strength aluminum alloy and high quality CGA320 valves. Because it is made of aluminum rather than steel you can feel confident that it won't rust. It's called a 5 lb tank because it holds 5 lbs of compressed (liquified) CO2. 5 lbs of CO2 is enough to dispense about 8 to 9x 5-gallon kegs of ..., SpyderFoode • 8 yr. ago. The tank should have a tare weight printed on the side. Weigh the tank and subtract the tare weight to give you the co2 left. A common thing I have heard is about 1 keg per pound of co2 if force carbonating. Obviously just a rough guideline, but fairly accurate in my experience. If you have a dual gauge regulator ..., ten footers Registered User. #4 ten footers, Jan 13, 2010. the calculator said that in my 7x7.5x5.5 room that a 20lb tank would only last .23 hours :-/. any help with this, i am looking into buying a co2 tank and i need help on the size and cost side of this, i have tried searching hella (thats why i am bringing back this old ass thread) so if ..., In general, a 5-lb CO2 tank is capable of dispensing between 6-8 half barrels or full kegs before it needs to be refilled. This estimation is based on a standard-sized keg, which holds approximately 15.5 gallons or 124 pints of beer., Feb 10, 2019 · It’s possible it’s leaking. Might wanna check with some soapy water. my 10lb tank lasts me about a year on my freshwater tank with maybe 6 bubbles per second running 10 hours a day. Not sure if calcium reactors run 24/7 but at your bubble count I’d imagine your tank should last about the same amount as my 10lb I would think. Nov 17, 2022.