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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
The firmness and size can be adjusted by the amount of water used to fill it
set the Spa Frog Bromine Cartridge to #5 by holding the bottom and turning the top until the number 3 appears in the setting window
Controls rate of pH change
Max Flow 10GPM (37LPM)
OSPA PH/ ALK UP 500G caldera The firmness and size canUsed for raising pH of spa water at a rate of 25 grams per 1,000 litres. Also prevents damage to surfaces and prevents eye irritation due to incorrect pH. Contains no calcium. No pre dissolving necessary. Won't cloud water.
US$ 19.99
US$ 19.99
US$ 19.99
