How to lower Nitrates?

[cathyg_99]

Originally Posted by Midway

Mh first tank has almost a year i set that up, the second one was setup back in december last year. My nitrates are reading about 40ppm in one and higher in the other one about 80ppm, i think that's quite high. So some of you recomended cheato. Plus more often water changes. I do my water changes every other week to both tanks. All my other parameter are within good range, its just the nitrates are reading high right now.

Manny

that seems really high to me... and your doing water changes... could it possibly be an old test kit?