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Aquarium Engineering

The Highest quality aquarium engineering.

4" Calcium Reactor


Diameter: 4 inches
Height: 16 inches (customizable up to 36 inches)*

*See our custom products page if you need a customized size or other modification.

+ Additional Chamber
+ PH Controller, PH Probe, CO2 Regulator, CO2 Solenoid Valve
+ Hayward Needle Valve
Select this option to submit a deposit on this product. You can make additional payments on your order at any time from your account. This deposit is non-refundable.

Important Order Information

Every product is built-to-order so please allow between 4-8 weeks to receive your product.

Includes FREE shipping to the lower 48 states. Please contact us for shipping quotes to Alaska/Hawaii and international locations.