Seachem Flourish Tabs are a comprehensive substrate supplement designed for planted aquariums, delivering essential nutrients directly to the root zone. These convenient, dry tablets are inserted into the gravel or sand bed, providing a direct, time-released fertilization source. As a tablet version of the popular liquid Flourish, they ensure that your macroalgae or aquatic plants receive a steady supply of nutrients through the enzymatic action of their own roots, promoting lush and healthy growth from the ground up.

Each tablet is packed with essential trace elements, amino acids, and vitamins beneficial for robust plant development. They are particularly rich in iron, manganese, magnesium, calcium, and potassium, along with B vitamins and other crucial growth factors. Critically for a reef aquarium environment, Flourish Tabs contain no phosphate or nitrate, preventing the proliferation of nuisance algae while nourishing your desired plants or macroalgae. A single pack of ten tablets is sufficient to treat a 12 by 30-inch plant bed twice, with each application lasting three to four months.

This product is ideal for the saltwater aquarist maintaining a refugium with a deep sand bed or a dedicated planted marine display tank. If you are cultivating macroalgae like Chaetomorpha, Caulerpa, or Halimeda that root in the substrate, these tabs provide targeted nutrition without elevating nutrient levels in the water column. By delivering fertilization directly where it's needed most, Flourish Tabs help you achieve vigorous macroalgae growth for superior nutrient export, all while maintaining pristine water quality in the main display.