Thinking about trying the DIY Yeast Co2 Injection Again but...

plantass28

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Nov 15, 2003
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I was thinking of trying to do the Diy Co2 Injection again, however one problem I had in the past was knowing how much crush coral to ad to offset the Co2's Drop on the PH. I never quite had the time to really fiddle with guessing. Is there a formula now for how much Crushed coral to ad? Thanks for any answers!
 
Well since I have just got back into the hobby, unfortunately I havent been able to get a kh or gh test kit so I cant answer that question. The Tank is 29 gallon.

Thanks for any help.
 
You may not need to buffer your water. Without knowing your kH, adding CO2 can be dangerous since you have to know your kH/pH ratio to compute CO2 absorption. And knowing the stability of your water is a primary factor in using CO2.
In general, a 29 gal. tank can easily handle a bottle of DIY CO2, but I would pick up a kH test kit before injecting. A kH of 3.0 - 3.5 is generally a safe area to be in.

Len
 
Yeah Im well aware of the dangers of Co2, I am just getting prepared to use it. So getting as much info as possible. I thought I saw someone post a comment on here about using 1 teaspoon per 10 gallons, of crushed coral to offset the huge plummit the Co2 would cause in PH.
 
I think you really want to know your kH. It will tell you if you have to buffer your water with coral. My kH is 10 so adding CO2 does not cause my pH to plummet (it goes from 7.4 to 7.1).
 
Originally posted by emoore
I think you really want to know your kH. It will tell you if you have to buffer your water with coral. My kH is 10 so adding CO2 does not cause my pH to plummet (it goes from 7.4 to 7.1).

Yeah I am not going to add the Co2 till I find out what the KH is. Unfortunately I have to require some test kits, but right this minute money is tight. I am just getting info on the Co2 and if there was a formula for crushed coral, looks like it may not even be nessacery, which is great.
 
Okay thanks for being patient, I now have the KH it appears to be 5. I can also get you the GH. Unfortunately the ph kit I bought was for Salt so I have to go back and trade for a fresh kit. Also the KH test was done with a Tetra laborette test kit. Thanks.
 
Returned the Salt PH kit for the Fresh, it appears the ph is at 7.5, Thanks for any and all help.
 
I too was thinking of fiddling with co2, only I don't have a KH testing kit, and I've heard they're kind of expensive. How much did you pay for yours, if I may ask, plantass28?
 
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