please could someone tell me what the best test readings should be for a 8 month old tank [tetra test 5 in 1 strips]??
i.e.
No3 - [mg/l] - 0, 10, 25, 50, 100, or 250 ???
No2 - [mg/l] - 0, 1, 5 or 10 ???
GH - <3d, >6d, >10d or 16d ???
KH - 0d, 3d, 6d, 10d, 15d or 20d ???
PH - 6.4, 6.8d, 7.3d...