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turf algae and biofilm from rockwork and glass
illuminating your water feature with a warm and inviting glow
power - 20W
Feed several smaller meals each day
collection region and supplier
Total Chlorine Handheld Colorimeter-Checker HC Testing turf algae and biofilm fromHI 711 Total Chlorine Handheld Colorimeter Checker HC from Hanna. Chlorine is the most common water disinfectant. Once in water, it presents as free chlorine and total chlorine. Free chlorine is the chlorine that is available in the water to tackle bacteria. As the process of disinfection takes place, the levels of free chlorine will reduce. Total chlorine is the measurement of free and used chlorine in the water. If the total chlorine is high but the
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US$ 25.98
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US$ 19.98
