FROG® 90-Day Algae Barrier | Pool Algae Prevention Type_Saltwater Chlorine Generator This one has to be

This one has to be rotated to release first

flame control

This may be needed on a daily basis in a heavily used spa or once a week in a moderately used spa

Pro Tip: This is the bromine version of the kit — built for spas sanitized with bromine

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FROG® 90-Day Algae Barrier | Pool Algae Prevention Type_Saltwater Chlorine Generator This one has to beFROG 90 Day Algae Barrier is a proactive, copper based algae preventer delivered in Drop 'n Go pods. Drop the pods in your pool skimmer at the start of the swim season, run the pump for 24 hours, and the barrier prevents green, yellow, and black algae from establishing in your pool for the next 90 days. One package treats pools up to 20,000 gallons. Most pool owners encounter algae the wrong way: it shows up first, then you scramble to treat it. By