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Dec 08, 2025 - 09:31 AM
The manufacturer recommends two capfuls mixed with 5 gallons / 20 liters of water, and soaking the filters in that solution overnight. Below is a link to their instructions
How much SPA Marvel Cleaner does it take to soak the filter? Spa Marvel Filter Cleaner
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Open Dec 08, 2025 - 09:31 AM
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Spa Marvel Filter Cleaner
Spa Marvel Filter Cleaner Instructions for use: Mix with 5 gallons of water to soak filters for at least 24 hours.
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