Seachem Glass Bubble Counter 17mm water treatment All the ETH range are

All the ETH range are suitable for tropical and marine aquariums

Calcium reactor control

Probiotics for Core System Health

Note: Saltwater slows down bacterial action

Built in bubble counter makes the use of a separate bubble counter unnecessary

Seachem Glass Bubble Counter 17mm water treatment All the ETH range areMonitor rate of CO2 injection Minimizes the visibility of CO2 equipment in the aquarium Suitable for all aquarium sizes Simple and easy to use The Bubble Counter is a simple and elegant tool for monitoring the rate of CO2 injection in planted aquaria. This bubble counter is placed in the CO2 gas line, which minimizes visibility of CO2 equipment in the aquascape while still allowing the hobbyist to easily check CO2 output at any time. Compatible with 6