Saltwater Aquariums

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DIY Reactor Plans

Here are do-it-yourself calcium, oxygen, and ozone reactor plans for making any one of these types of units for your saltwater aquarium or reef tank system.

Snailman's Calcium Reactor Plans

From Snailman's Reef, Jon Garner provides instructions for building his calcium reactor, which is a modified version of Larry Maras's design (no longer available online), which is a modified version of Sanjay Joshi's design.

Snailman's Secondary Calcium Chamber Plans

Another project from Snailman's Reef, Jon Garner explains how he build this secondary calcium chamber to add-on to his Knop C Reactor to increase the calcium and raise the pH of the effluent.

Kay's Calcium Reactor Plans

From the OZ Reef Marine Park DIY Plans, DIY calcium reactor plans by Kay Wilson.

DBW's Calcium Reactor Plans

From the OZ Reef Marine Park DIY Plans, DIY calcium reactor plans by DBW.

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Saltwater Aquariums

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