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1 x box of 250 photometer grade DPD1 water test tablets
Calcium Hardness
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
Stock update 29 July 2026: in stock
DPD 1 photometer 250 1 x box of 2501 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
US$ 44.00
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US$ 29.95
