What is the best test kit to use that's pretty cheap?
I've heard that test strips aren't great, so would a tetratest liquid ammonia and nitrite test be any good?
Also, is it nitrite or nitrate that's most poisonous?
Thanks!
I've heard that test strips aren't great, so would a tetratest liquid ammonia and nitrite test be any good?
Also, is it nitrite or nitrate that's most poisonous?
Thanks!







