Bomber
10 & Over Club
PUG, can you make a closed system too sterile?
Nitrates usually come from some animal material decomposing. Plus, I think a lot of people told you 5-10 nitrates are nothing to worry about.
Nitrates got a bad rap because people noticed that when nitrates would elevate, they would notice problems. Nitrates are usually associated with elevated nutrients, which are associated with elevated bound phosphate which you can't test for.
Nitrates usually come from some animal material decomposing. Plus, I think a lot of people told you 5-10 nitrates are nothing to worry about.
Nitrates got a bad rap because people noticed that when nitrates would elevate, they would notice problems. Nitrates are usually associated with elevated nutrients, which are associated with elevated bound phosphate which you can't test for.