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Riboflavin
re-test nitrate and phosphate concentrations
unhatched Brachionus sp
Add 1 capful (5 ml) per 50 US-gallons (200 L) of marine aquarium water 2 to 3 times per week for the first three weeks
divide the daily decrease in [Ca2+] by 37
API Freshwater Master Test Kit Reef Basis Calcium Dry RiboflavinThe API FRESHWATER MASTER TEST KIT measures the most important levels in freshwater aquariums quickly and accurately, including pH, high range pH, ammonia, nitrite, and nitrate. With scientific accuracy for professional results, the reusable FRESHWATER MASTER TEST KIT comes with 4 glass test tubes with snap tight caps and a convenient holding tub for easy storage. Also includes a step by step instruction booklet with a color chart that provides