Planted Tank Guru
Join Date: Dec 2002
Location: Portland Orygun
IMHO it's a waste of money.
You are not normally going to be testing for ammonia or nitrite.
You don't need a "CO2" test or a chlorine test. Nor do you need an Iron test.
You NEED, pH, kH, gH.
That's really about it. If you want you can get nitrate and phosphate test kits. But buy individual kits.