The Green Galaxea requires appropriate lighting and moderate flow to maintain optimum health.

In addition to this, it will also require the correct levels of Calcium, Alkalinity, and Magnesium along with various other trace elements found in natural seawater.

Additional feeding isn't required to maintain its health however it will feed on micro-plankton and very fine coral foods. 

This coral has sweeper polyps therefore should be placed at least 1.5 inches away from other corals 

Care Level - Easy

Flow - Medium to high

Lighting - Medium 

Temperament - Aggressive