Planted Tank Enthusiast
Join Date: Oct 2005
Location: Maple Grove, MN
Graph of pH / KH / CO2 Relationship
I created this graph of the pH/KH/Co2 relationship based on the formula: 3*KH*(10^(7-pH)), plugging in 5, 10, 15, 20, 25 for KH values.
I thought it was sort of interesting so I am posting it here.
I was surprised to see what a narrow pH range is acceptable to be within what seems to be regarded as an acceptable CO2 concentration.
The five numbers along the top are KH values. The rest should be self-explanatory.
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FILSTAR Advocate #39
Member, Minnesota Aquarium Society
29 Gal. - 100% Eco-Complete/2x65W CF/CO2/Filstar XP2/RedSea500/KH:3/GH:5/pH:< 5.5/EI Dosing/WWC 50%