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If visible algae are still present or reappear
continue circulating for at least 30 minutes
Rio ® 1995–1999
Hayward ECX1031 Flex Tube fits the following Hayward DE Filters:
Part #6472-968
Baqua Spa Calcium Hardness Increaser (14 oz) Mini Rotational Jet If visible algae are stillBAQUA SPA Calcium Hardness Increaser (14 oz) is designed to raise the calcium hardness of your hot tub water. Calcium Hardness levels should be maintained between 200 400 ppm. Product Dosage 4 ounces per 100 gallons of water to raise calcium 40 ppm. Directions Test your water's calcium hardness every week with Baqua Spa Test Strips and adjust accordingly. Add appropriate amount of Baqua Spa Calcium Hardness Increaser as designated in table on bottle
