Reef Phytoplankton, 500 mL / 17 fl. oz.

I HAVE BEEN USING IT FOR ABOUT 7 YEARS AND MY PHYTOPLANKTON CLAMS ARE DOING GREAT ON THIS PRODUCT. I WILL ALWAYS USE THIS PRODUCT.

I am not sure if this product really does anything positive for my filter feeders and coral, but it hasn't harmed anything. I have seen a slight increase in algae growth since using this product, likely due to the added nutrients being dumped in the tank, but I can't be positive this product was the cause.

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