Water Test kit – Refill items – DPD No. 1 Test Tablets (Pkt 50 tablets)
DPD No. 1 Test Tablets for “Free Chlorine”. Suitable for use in most test kits such as the 6-in-1 or 4-in-1 test kits.
Used to measure “free” or “available” chlorine which is the chlorine available in the water to sanitise the water and protect swimmers.
Requires the use of a Test Kit such as the Aussie Gold 4-in-1 Water Test Kit.
Price includes “Free Postage” anywhere in Australia.