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Durably constructed PVC check body and compression end fittings
The HI781 Nitrate Checker HC by Hanna Instruments is a simple and accurate handheld colorimeter that uses the Beer-Lambert principle to determine nitrate concentration
minerals and electrolytes found to be essential for the natural growth and function of healthy nitrifying bacteria and heterotrophic bacteria
it also avoids that the ionic balance is disturbed when used in combination with our KH + pH Buffer or any other sodium based buffer
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