Neptune Replacement DOS Head Cap Corals Helps limit phosphate availability to

Helps limit phosphate availability to undesirable algae and cyanobacteria

Three thick black bands run over its pure white body

Rinse with freshwater or RO water until runoff is clear

or stronger bubble effects

Integrated application stem on each tube

Neptune Replacement DOS Head Cap Corals Helps limit phosphate availability toNeptune Replacement DOS Head Cap Neptune Replacement DOS Head Cap is a replacement head cap for the Neptune DOS dosing system, sold individually for servicing one DOS pump head. Replacement Cap for Neptune DOS This part is used when the head cap on a Neptune DOS dosing pump is worn, damaged, missing, or needs to be replaced during service. It helps restore the pump head assembly without replacing the entire DOS unit. Head Cap Features Replacement head