Marine Low Range Nitrate Checker HC - HI781Marine Low Range Nitrate Checker HC HI781 The HI781 is designed specifically to measure low levels of nitrate in a saltwater aquarium. The 0. 00 to 5. 00 ppm (mg L) range is ideal for saltwater, reef aquarium maintenance. Like professional instrumentation that use a light source, filter, and light sensing detector, the Hanna Marine Nitrate Checker uses a fixed wavelength LED and silicon photo detector to provide the accuracy of professional

Pour the entire contents of the bag into the area around the pump to ensure product is dispersed

DW-5: flow rate adjustable from 500 - 5

All of these elements need to be available in balanced proportions for positive coral health and growth

sponges and other filter feeders are visibly improved

The three salts (parts A

Purigen darkens progressively as it exhausts

Simply add our 36W 24V DC power supply (available separately)

intensifies colouring and reduces phosphate in the reef aquarium biologically

The perfect blend of 6

Calcium is a major constituent of calcareous algae

we recommend dosing with Tropic Marin® Plus NP

Some features require Apex Controller System