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Macro Algae

Enhance your marine ecosystem and naturally improve water quality with our fresh, vibrant selection of macroalgae. Perfect for both main display aquascapes and dedicated refugiums, these marine plants introduce captivating texture and movement while acting as biological filters.

By naturally absorbing excess nutrients like nitrates and phosphates, macroalgae help suppress nuisance algae growth and maintain a balanced system. Beyond their powerful utility in nutrient control, they also serve as a wholesome, natural food source for herbivorous fish and invertebrates, helping your entire aquarium thrive.

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4 products

Grape Caulerpa macroalgae cutting
Red Pom Pom Gracilaria macro algae ball
Save 16%Atomic Broccoli red sparkle macroalgae cluster
Atomic Broccoli Macro Algae (3-4" Cluster) Sale price$26.99 Regular price$31.99
(5.0)
Ball of live Chaetomorpha (chaeto) macro algae for refugiums