BioLab 6-in-1 Water Test kit – Refill items
Solution No. 3 Acid Demand – 30ml (Pkt 2)
Used to measure the Acid demand of the pool water in order to correct the pH.
Requires the use of a Test Kit such as the Biolab 6-in-1 Water Test Kit.
Price includes “Free Postage” anywhere in Australia.