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Dry Pool/Spa Acid 3kg
Dry acid is equivalent to liquid acid at a ratio of around 1:1, in other words 1kg of dry equals 1lt of liquid. It is good for aiding in removal of rust stains in concrete pools and spas where a bobby pin or nail, etc. has fallen in and sat in one place for any length of time.
TIP:
When removing stains make sure system has been turned off for at least 1hr, sprinkle some acid over stain, leave for 10-15 minutes, brush and repeat(no more than 4 times) untill the stain goes or lightens.
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