Potassium Concentrate™ 500 ml (16.8 fl oz) new LittleRox is also great for

LittleRox is also great for making a rubble bottom substrate

and check valves

Especially beneficial in low-nutrient reef aquariums or reef aquariums using zeolites

AquaStik White Stone 4 oz

) Chopped seaweeds

Potassium Concentrate™ 500 ml (16.8 fl oz) new LittleRox is also great forPotassium Concentrate Julian Sprungs Reef Formula replenishes the potassium concentration to help maintain optimum water quality for growth and coloration of corals. Especially beneficial in low nutrient reef aquariums or reef aquariums using zeolites, potassium supplementation is known to promote the development of colorful pigments in Montipora, Acropora, Stylophora, Pocillopora, & Seriatopora spp. 500 ml (16. 8 fl oz) bottle and 1 Gallon.