What dilution ratio should be used for heavy cleaning of porous stone with black algae?
ProTool Purple Magic Gallon
Question ID: 6391391 Status:
Open Oct 23, 2025 - 07:42 PM
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Answer
Oct 23, 2025 - 07:42 PM
For heavy cleaning of porous stone with stubborn black algae, use 64 ounces of purple magic per gallon of water. This potent mix breaks down tough buildup, restoring surfaces to their original look and reducing slip hazards.
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ProTool Purple Magic Gallon
" ProTool Purple Magic Gallon – Versatile, High-Strength Cleaner for Metals and More ProTool Purple Magic Gallon is a powerful, concentrated cleaning solution designed to handle a wide variety of surfaces, especially metals. Its advanced formula safely removes organic soils and oils from metals...
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