DescriptionIncrease filter efficiency so your pool stays cleaner and crystal clear. Concentrated clarifying Gel Block binds sub-micron particles including algae. Simple and quick to apply, no mixing, measuring or pouring. *Because D.E. filters are already so effective at removing small particles from the water, Crystal Cubes are not recommended for this filter type.
1 cube treats average pool size, 10,000 gallons. Back to Top
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