Red Sea Calcium Pro Test Kit Liners & Sealant Versatile Use: This filter medium

Versatile Use: This filter medium is suitable for use in both freshwater and marine (saltwater) aquariums

Use fish to gauge toxicity reduction as test kits will still show presence of nitrite/nitrate even when detoxified

as discovering any problem at its earliest stage

) for every 300 L (75 US gallons) for ammonia detoxification

Red Sea Calcium Pro Test Kit Liners & Sealant Versatile Use: This filter mediumRed Sea Calcium Pro Test Kit Advanced calcium titration test Red Sea's Calcium Pro Test Kit is an advanced calcium titration test, measuring the level of calcium in your reef aquarium to an exceptionally high accuracy of 5 ppm. This test kit enables the accurate dosing of Red Sea's Reef Foundation A (calcium strontium) and Coral Colors supplements, which are part of the complete Red Sea Reef Care Program.