Reef Crest Bulk Calcium Hydroxide (1900 Gram) Water Pumps Duncan coral is not normally

Duncan coral is not normally susceptible to pests or infections

Heavy walled PVC construction for durable use around aquarium systems

We recommend Tridacna clams only for experienced aquarists with well established aquariums

Measures nitrate from fish waste and organic buildup

Reef Crest Bulk Calcium Hydroxide (1900 Gram) Water Pumps Duncan coral is not normallyReef Crest Bulk Calcium Hydroxide (1900 Gram) Reef Crest Bulk Calcium Hydroxide (1900 Gram) is a larger pharmaceutical grade kalkwasser powder for reef aquariums with regular calcium, alkalinity and pH support needs. Larger Kalkwasser Size for Steady Reef Use This 1900 gram size is well suited to reef aquariums that use kalkwasser as part of their regular top off or dosing routine. Calcium hydroxide can help maintain calcium and alkalinity while also