Calculating Co2 levels
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 01-17-2003, 04:31 PM #1 BonesCJ Planted Tank Obsessed   PTrader: (0/0%) Join Date: Jan 2003 Location: Tucson, AZ Posts: 387 I have a test kit with both KH and PH tests, how exactly do i figure out how much Co2 I have in the tank? And will argonite sand (crushed shells) have any effect on those levels? __________________ The Fraternity of Dirt Member # 64 90 Gallon Low light/Easy Maintenance
 01-17-2003, 09:54 PM #2 SNPiccolo5 Planted Tank Enthusiast     PTrader: (0/0%) Join Date: Oct 2002 Location: Minneapolis, MN Posts: 859 3.6 x KH (in degrees) x 10^(7-pH) is the formula to use. Example pH=7, KH=5. 3.6 x 5 x 10 ^ (7-7) so you would have about 17 ppm CO2. -Tim __________________ Tank in transition! 55 gallons, hard water.
 01-18-2003, 01:33 AM #3 m.lemay Planted Tank Guru     PTrader: (9/100%) Join Date: Jul 2002 Location: Naugatuck, CT. Posts: 2,647 Or if doing all that math is too much like work, you can use one of the charts on the link below. CO2 charts Marcel __________________ FILSTAR Pimp #2 75 gal heavily planted,50/50 Black beauty,Eco-complete substrate, Pressurised CO2 with solenoid, ph controller, AB Reactor 1000, 330 watts 9325K GE PC lighting,Ehiem Liquidoser, 2-Filstar xp3 canisters.
 02-10-2003, 01:53 AM #4 vince60 Algae Grower   PTrader: (0/0%) Join Date: Feb 2003 Location: wisconsin Posts: 37 http://www.csd.net/~cgadd/aqua/art_plant_co2chart.htm this works nice.
 02-10-2003, 08:28 PM #5 m.lemay Planted Tank Guru     PTrader: (9/100%) Join Date: Jul 2002 Location: Naugatuck, CT. Posts: 2,647 Vince ,Is that a picture of your setup. I never saw a regulator quite like that and is that a bubble couter attached to it on the right side? Who makes that setup? or did you build it yourself? Hows it working for you? Marcel __________________ FILSTAR Pimp #2 75 gal heavily planted,50/50 Black beauty,Eco-complete substrate, Pressurised CO2 with solenoid, ph controller, AB Reactor 1000, 330 watts 9325K GE PC lighting,Ehiem Liquidoser, 2-Filstar xp3 canisters.
 02-14-2003, 01:06 AM #6 vince60 Algae Grower   PTrader: (0/0%) Join Date: Feb 2003 Location: wisconsin Posts: 37 ya its my setup, the t handle type reg was to much of a pain , so i found a used, but rebuilt flowmeter. Its not a kit I put it together my self. I had it in my 37gal for 4 years and its been on my 125 for a year.

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