What tests are a must have?
We have currently:
refractometer
tester for RO/DI water
ph
ammonia
nitrite
nitrate
phosphate
KH
calcium
curious to know what others we should add to our already growing collection.
We have currently:
refractometer
tester for RO/DI water
ph
ammonia
nitrite
nitrate
phosphate
KH
calcium
curious to know what others we should add to our already growing collection.



