It was very easy to select the corret parts for my "serial Number". All parts were correct and operated as required.On 06/20/2024 by M. R. (verified customer)
Brand: 303, Ace System, Bioguard, Everfresh Water Care | Water Care: Calcium
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Stain & Scale Control for Hot Tub Calcium Build Up Prevents scale formation and cloudy water due to high calcium levels Removes some scale build-up on the spa surface, preventing damage to surfaces and circulation systems Removes relatively fresh ...read more -
Sku: 42636BIOSpaGuard Calcium Hardness Increaser, 12oz
SpaGuard Calcium Hardness Increaser Prevents corrosion of equipment Prevents degradation of spa surfaces 1 tbsp per 100 gallons increases calcium hardness ~25 ppm
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