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Oct 23, 2025 - 07:42 PM
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We’ve provided several answers to questions related to ProTool Purple Magic Gallon , see some other helpful Q&A related to this product.
Question: What is the dilution ratio for normal cleaning of porous stone with black algae?
Answer: For normal cleaning of porous stone with black algae, use 24 ounces of purple magic per gallon. This helps effectively remove organic growth without damaging the stone, which is essential for maintaining appearance and safety.
