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Electric blue vertical bands
Typically 8” to 12” but only around the same thickness as a pencil
as it will allow the Tang to scrape it teeth along the rock
was first discovered in 1936 by Herre and pictured here
In some instances alkalinity and calcium are consumed in different ratios
HANNA POCKET CHECKER FOR TESTING HIGH RANGE COPPER - FRESHWATER AND MARINE AI Hydra Electric blue vertical bandsThe HI 702 Copper high range Checker is a simple, accurate and cost effective way to measure high ranges of copper in water. Designed as a more accurate alternative to chemical test kits, the HI 702 provides quick, accurate results in four easy steps. HI 702 uses an adaptation of the EPA method. The reaction between copper and the bicinchoninate reagent causes a purple tint in the sample. Ideal for freshwater & saltwater aquariums. The HI 702 Copper
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