What are your perfect levels?
I am aiming for the following, but this is a low nutrient system:
Alk 7-8 (alk must be rock solid)
Mg 1320
Ca 420
SG 1.025
Temp 26 degrees (I'm in south Africa ) no3 and po4 must be as close to 0 on our hobby test kits
These are other suggested parameters for...