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extends their usable life by months or years
2 tabs per 250 gallons raises total alkalinity by about 30 ppm — precise
It works in two different setups: the FROG Serene Floating System (a floating dispenser that drifts around your spa)
If your reading comes back high
Sodium Borate
Sundance® Spas 6541-460S Complete Filter 680 Series Type_Grilling Tools extends their usable life bySundance Spas 6541 460S Complete Filter 680 Series Overview Replacement filter for your Sundance Spa. This is the complete version with inner(6473 249S) and outer(6473 283S) filters. Fits the 680 series. What's in the Box 1 x Sundance Spas 6541 460S Complete Filter 680 Series Compatibility 680 Series: 2023 Present Find the inner piece for this filter here: 6473 249S Find the outer piece for this filter here: 6473 283S Find the alternate pleated filter