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520x Phenol Red photometer reagent tablets
you would simply drop a phenol red tablet into a 10ml water sample
TDS (Total dissolved solids)
Clean up any spilt product by sweeping up and disposing of or by washing away with plenty of water
or other water treatment applications
Calcium Chloride (Hardness increase) Size:25kg 520x Phenol Red photometer reagentCalcium Chloride Flake >74%. Increases the hardness of water. Hardness, along with pH, alkalinity and temperature are required to be balanced in order to prevent corrosion or scale formation. Dosage: 14g per 1000 litres of water for a hardness increase of 10mg litre. This product generates heat when added to water so dont try and premix it in a bucket of water, instead tip the required amount straight into the pool with the filter pump running.
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