Stuck on 30,i dont understand why cant i get these down,do i need to wait to do a nitrate test right after a water change?,my tap nitrate is less then 2ppm,any1 have any ideas
use this stuff stress zyme i had the same problem until when i used it at first mine was 32 after i used stress zyme it went down to 20 then a week later i used it again went down to 16