C02 Table and Calculator

CO2 / KH / pH table.

KH     pH	6.0	6.2	6.4	6.6	6.8	7.0	7.2	7.4	7.6	7.8	8.0
0.5	15	9.5	6.0	3.8	2.4	1.5	0.9	0.6	0.4	0.23	0.15
1.0	30	19	12	8	4.8	3	1.9	1.2	0.8	0.5	0.3
1.5	45	28	18	11	7.1	4.5	2.8	1.8	1.1	0.7	0.45
2.0	60	38	24	15	9.5	6	3.8	2.4	1.5	1.0	0.6
2.5	75	47	30	19	12	7.5	4.7	3	1.9	1.2	0.75
3.0	90	57	36	23	14	9	5.7	3.6	2.3	1.4	0.9
3.5	105	68	42	26	17	10.5	6.6	4.2	2.6	1.7	1.0
4.0	120	75	48	30	19	12	7.6	4.8	3.0	1.9	1.2
5.0	150	95	60	38	24	15	9.5	6	3.8	2.4	1.5
6.0	180	114	72	45	29	18	11	7.2	4.5	2.9	1.8
8.0	240	151	96	60	38	24	15	9.6	6.0	3.8	2.4
10.0	300	189	119	75	48	30	19	12	7.5	4.8	3
15.0	450	284	179	113	71	45	28	18	11.3	7.1	4.5

Green = Good CO2 levels 10-25ppm Good CO2 levels are also shown in BOLD.

Yellow = High CO2 levels Over 25ppm Levels over 25 can be harmful to your fish

White = Low CO2 levels Less than 10ppm

pH
KH	degrees	ppm
CO2	ppm.

Poormans Daily Drops 1 Tbsp ~9g Chelated Trace Element Mix (7% Fe, 1.3% B, 2% Mn, 0.06% Mo, 0.4% Zn, 0.1% Cu, EDTA, DTPA)  2 Tsp ~14g K2SO4 (potassium sulfate)  1 Tsp ~6g KNO3 (potassium nitrate)  2.5 Tbsp ~33g MgSO4.7H2O (fully hydrated magnesium sulfate, aka epsom salts; omit if already present in trace element mix)  300mL 300mL distilled H2O  0.5mL 0.5mL 9M HCl (optional)  Most of the ingredients can be purchased at hydroponics shops or garden supply stores. Epsom salts are available inexpensively at pharmacies  Read the article this formula is based on