FROG® DropH™ pH & Total Alkalinity Decreaser (3 lb)
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Key Features & Benefits
Fast-Acting pH & Alkalinity Control
Quickly lowers both pH and total alkalinity to help maintain balanced spa water. Fast-acting performance makes it ideal for correcting water chemistry before use.
Long-Lasting 3 lb Value Size
Engineered for seamless compatibility with original mounting points for secure placement.Generous 3-pound container provides multiple treatments for ongoing maintenance. Designed to deliver consistent performance while offering excellent long-term value.
Safer Granular Formula
Granular design eliminates the splashing and harsh fumes associated with liquid acids. Easier and safer to handle, making routine water care more convenient.
Universal Spa Compatibility
Works with all major sanitizer systems, including chlorine, bromine, and mineral systems. Compatible with all hot tub brands for a versatile water care solution.
Prevents Scale & Protects Equipment
Helps prevent calcium buildup that can damage heaters, jets, and plumbing. Maintaining proper balance supports long-term spa performance and reduces maintenance issues.
Enhances Water Clarity & Comfort
Balanced pH improves water clarity while maximizing sanitizer effectiveness. The result is cleaner, more comfortable water that’s gentle on skin and eyes.
Product Overview
High pH and total alkalinity can cause cloudy water, scale buildup, and reduced sanitizer effectiveness. FROG DropH works quickly to lower both pH and total alkalinity levels, restoring your spa water to the ideal range of 7.2-7.8 pH. Whether you're a seasoned spa owner or new to hot tub maintenance, this essential water care product makes balancing your water chemistry simple and effective.
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.

