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0 ppt ±2 ppt for values over 40
Manganese is used up very quickly in the aquarium
The Nano-Tech Bio-Block can be used in fresh and sea water
reef crest by chance
Calculates and recommends any manual adjustment doses and updates the daily doses needed to maintain your desired calcium and all other elements
Hanna Checker HC ® Calcium in Meerwasser option:Reagents for HI 758 Checker HC ®Calcium in Seawater 25 Tests 0 ppt ±2 ppt forThe CHECKER HC mini photometers offer an interesting alternative between simple chemical test kits and compact measuring instruments. The handy photometers combine precision with an affordable price and are very easy to operate thanks to their large LCD and only one button. The automatic switch off function ensures the longest possible battery life. The HI758 model measures calcium in salt water from 200 to 600 mg L. lightweight (64 g) housing, handy
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