Regular use of Fluval Sea Alkalinity helps offset the constant depletion of alkalinity in your reef aquarium by coral, buffering, coralline algae, and natural ongoing biological processes. Fluval Sea Alkalinity contains USP (pharmaceutical-grade) sodium carbonate, sodium bicarbonate, and sodium borate, which ensure that you receive a high-quality, ultra-pure product free of unwanted contaminants. Fluval Sea Alkalinity does not contain gluconates, nitrates, or phosphates. SAVE when you purchase the Fluval Sea Alkalinity and Fluval Sea Calcium 16 oz Duo Pack, which includes one 16 fl oz bottle of each supplement. Shop all Marine Aquarium Buffers. Please click on "More Information" for ingredients, guaranteed analysis, usage instructions, and additional product details. | ||||||














