Sulfur is the fourth most abundant element in seawater. Correct values of this element ensure healthy growth and vibrant coloration of corals. Research data indicate that sulfur deficiencies can aggravate the metabolic processes of living organisms. Sulfur is constantly consumed in the closed aquarium system and its levels should be monitored regularly.
Dosage
10 ml of the product increases the sulfur content by 10 mg/l (ppm) in 100 liters (27 US gal) of water.
The recommended sulfur content in aquarium water is 810 – 990 mg/l (ppm).
Keep in mind that the maximum safe daily dose is 30 ml per 100 liters of water.
If you need a higher dose, divide it over a few days.