Ever dream of a saltwater planted aquarium?
MosaicMacros offers a wide range of exotic marine macroalgae & plants for sale! Create a beautiful planted mosaic of seaweed in your aquarium with our macroalgae hailing from both the Atlantic and Indo-Pacific regions. We have the largest selection of macroalgae around!
Macroalgae provides a naturalistic scape for fish and a safe haven for small organisms - boosting your tanks biodiversity all while adding hiding places for fish and removing toxic compounds from aquarium water.
New Species!
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Maiden’s Hair Algae | Chlorodesmis sp.
Regular price $14.99 USDRegular priceUnit price perSold out -
Spiny Mocha Gracilaria | Gracilaria sp.
Regular price From $9.99 USDRegular priceUnit price per -
Spiny Bramble Algae | Unknown sp.
Regular price From $9.99 USDRegular priceUnit price per -
Flat-Branched Striped Gracilaria | Gracilaria mammaralis
Regular price From $9.99 USDRegular priceUnit price per
Best Sellers
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20-Pack Ultimate Mixed Species | Various Species
Regular price $149.99 USDRegular priceUnit price per -
10-Pack Macro Algae Sampler | Various Species
Regular price $59.99 USDRegular priceUnit price per -
Indo-Pacific 10-Pack Macroalgae Sampler | Various Species
Regular price $79.99 USDRegular priceUnit price per -
5-Pack Macro Algae Sampler | Various Species
Regular price $29.99 USDRegular priceUnit price per -
Caulerpa 4-Pack Sampler | Caulerpa sp.
Regular price From $19.99 USDRegular priceUnit price per -
Red Macroalgae 4-Pack Sampler | Various Species
Regular price From $19.99 USDRegular priceUnit price per -
Color-Shifting Laurencia | Laurencia iridescens
Regular price From $19.99 USDRegular priceUnit price per -
Blue Hypnea | Hypnea pannosa
Regular price From $12.99 USDRegular priceUnit price per -
Purple Fauchea | Fauchea sp.
Regular price From $12.99 USDRegular priceUnit price per -
Orange Galaxy Algae | Halymenia dilatata
Regular price From $14.99 USDRegular priceUnit price per -
String-of-Pearls Algae | Coelarthrum sp.
Regular price From $9.99 USDRegular priceUnit price per -
Red Fern Algae | Haliptilon sp.
Regular price From $9.99 USDRegular priceUnit price per
Got Hair Algae?
Give some of our snails a try! Not only are they great hair algae eaters, they'll even clean your larger macroalgae.
Marine Snails
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Dove Snail | Columbellid euplica
Regular price From $19.99 USDRegular priceUnit price per -
Micro Trochus Snail | Trochus sp.
Regular price From $19.99 USDRegular priceUnit price per -
Stomatella Snail | Stomatella sp.
Regular price From $24.99 USDRegular priceUnit price per
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Questions, Comments, Concerns?
Contact us!
Customer service is our top priority here at MosaicMacros (outside of quality algae, of course.) If you have any questions regarding algae, issues with an order, or just want to discuss seaweeds, shoot us a message! We're always here to help :)