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1x TDS Meter
Dosage: 14g per 1000 litres of water for a hardness increase of 10mg/litre
The intensity of the color corresponds to the level of free chlorine in the water
520x DPD1 photometer reagent tablets
Calcium Chloride Flake >74%
DPD 1 photometer 250 1x TDS Meter1 x box of 250 photometer grade DPD1 water test tablets. Range: 0 8. 00 mg L. Made in Germany to ISO9001 standards, these are top quality at a great price. All prices on this website include gst. DPD1 Water Testing Tablets are the perfect solution for testing the free chlorine levels in your swimming pool, hot tub, or other water treatment applications. These tablets are specifically designed to provide accurate and reliable results for measuring the
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