Sort by

Cal Aqua Labs

Cal Aqua Double Counter

$28.99
CAL AQUA's Double Counter functions as both a normal-flow and high-flow bubble counter in one elegant design. Normal-Flow Configuration: For small to medium sized aquariums where CO2 bubble rates are not as high, the normal flow mode can be used to...
Add to Basket
Add to Basket
Cal Aqua Labs

Cal Aqua Double Counter ER

$38.99
The Double Counter ER functions exactly the same as the original Double Counter but has an external port for quick and easy filling. Over time, water level inside bubble counters will evaporate due to the constant stream of dry CO2 passing through. This...
Add to Basket
Add to Basket
sold out
Atomic CO2 Bubble Counter XL - with Integrated Check Valve
Atomic

Atomic CO2 Bubble Counter XL - with Integrated Check Valve

$26.99
The XL Atomic CO2 bubble counter is an effective tool for accurate measurement of the bubble count at a glance. Measure the amount of CO2 entering the aquarium. Extra Large precision CO2 Bubble Counter with integrated check valve. Use to count CO2...