FROG® DropH™ pH & Total Alkalinity Decreaser (3 lb)
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Dual-action formula designed to reduce both high pH and total alkalinity, helping restore proper water balance in hot tubs and swim spas
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Correcting elevated pH and alkalinity helps prevent scale formation, cloudy water, and surface buildup on spa walls, heaters, and jets
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Proper balance improves sanitizer efficiency, allowing chlorine, bromine, or mineral systems to work more effectively
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Helps protect spa equipment and plumbing from long-term damage caused by high alkalinity and scaling
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Ideal for use after water fills, top-offs, or when test results show pH and alkalinity above recommended ranges
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Easy-to-use granular formula dissolves quickly and disperses evenly with circulation running
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Designed specifically for hot tubs and swim spas, not pool-strength chemistry
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Works seamlessly as part of a complete FROG® water care routine alongside pH increasers, shock, and sanitizers
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A reliable solution for spa owners who want clearer water, fewer water issues, and more comfortable soaking
Frequently Asked Questions
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It lowers both pH and total alkalinity when levels are too high.
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High alkalinity makes pH difficult to control and can cause scale and cloudy water.
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Use only when tests show pH or alkalinity are above recommended ranges.
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Yes, it’s compatible with chlorine, bromine, mineral, cartridge, and ozone systems.
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This product is formulated specifically for hot tubs and swim spas.
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Always adjust total alkalinity first, then fine-tune pH.
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No, when used as directed it helps protect equipment by preventing scale.
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Wait about 2 hours after dosing before retesting water chemistry.
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