Red Sea NO3-PO4-X - 1000ml Reef Crest The box hangs externally from

The box hangs externally from the aquarium and can use an air pump to circulate water from the display through the enclosure

however they are friendly with all other types of fish

Fixture compatibility: Hydra 52

Creates a flexible waterproof seal that resists cracking

Red Sea NO3-PO4-X - 1000ml Reef Crest The box hangs externally fromRed Sea NO3 PO4 X 1000ml The Red Sea NO3 PO4 X 1000ml is a reef safe biological nutrient reducer for controlling nitrate and phosphate in reef and marine fish aquariums through consistent measured dosing. Daily Nitrate and Phosphate Control NO3: PO4 X is designed for reef keepers who want gradual nutrient control instead of sudden chemical stripping. By feeding naturally occurring nutrient reducing bacteria, it helps convert nitrate and bind phosphate