Big Blue 20-inch pH Filter

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Product Features

pH Filter

This filter is designed to treat low pH levels found in acidic water, commonly seen as blue/green staining and corrosion of pipes.

Blended for performance

This filter contains 40% calcite, 40% GAC, and 20% corosex to ensure good flow rates while still providing excellent treatment of low pH levels.

Big Blue 20"

Filter measures 20-inch long and 4.5-inch in diameter.

Standard Big Blue Size

Fits in all standard 20" Big Blue filter housings.

Product Description

The Big Blue 20" pH filter contains a blend of calcite and corosex that dissolves slowly in water to neutralize acid. It also contains GAC for optimal flow and treatment of tastes and odors.

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1 Review

  • 4
    Good Filter

    Posted by Mitch on Apr 21 2015

    The filter raised my PH level. Could use a little more corosex for a better PH Level raise. Will buy again!

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