All the essential tests for a reef system, in one kit! SeaChem Multi-Test features phosphate, silicate, and iodine/dide tests in this one easy to use kit. Keep track of your levels to insure a healthy, happy reef!

Specifications:
Phosphate readings from 0-3 mg/L
Iodine/dide freadings from 0.001-0.06 mg/L
Silicate should measure 1 mg/L or less.
Color comparison tests.