Instant Ocean Aquarium Salt – 50 Gallon – Bag

Instant Ocean synthetic sea salt contains every necessary major, minor, and trace element and has no nitrates and no phosphates. It was developed through sophisticated biological and chemical testing, and every batch is analyzed to assure consistent high quality. Exceptional solubility, uniform particle size, and outstanding package value have made Instant Ocean salt the choice of aquarists for over 30 years. No other product out performs Instant Ocean salt.

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Approx. content analysis, with salt mixed to 35 ppt or a specific gravity of 1.026:

Calcium, 400 ppm
Alkalinity, 11 dKH
Magnesium, 1350 ppm.