This test allows you to measure kH in steps of 0.3 dKh (NSW 7-8) or alkalinity in steps of 0.1 meq/L (NSW 2.5-2.9). The color change is very clear despite the very small steps. This titration test is good for 40 tests.
Our Price: $19.50
The most basic water quality parameter in a saltwater aquarium is the Salinity. The unique, patented design of Red Sea’s hydrometer enables the hydrometer to be installed permanently inside the aquarium or sump giving a continuous “real-time” reading of S.G. in addition to being used as a regular...
Our Price: $13.65