20-inch 3 Stage Big Blue Whole House Filter for Iron, Heavy Metals, Low pH and Acidic Water

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Product Features

Complete System

Mounting Bracket
Housings with 1" In/Out
Housing Wrench
Sediment Filter (5µ)
Calcite/Corosex/GAC Filter

Standard-flow System

Designed for homes with 2-4 bathrooms

20" Big Blue Filters

4.5" diameter Big Blue filters outperform standard 2.5" filters

Sediment Filter

Removes sediment and particulates, providing cleaner, clearer water


Increases pH and neutralizes acidic water while filtering out a wide range of tastes, odors and chemicals, including chlorine, herbicides, & pesticides. The filters is made up of 40% GAC, 40% Calcite, and 20% Corosex

GAC/KDF55 Filter

Filters out iron up to about 3 ppm, heavey metals (including lead, nickel, chromium, cadmium, aluminium, and mercury) as well as a wide range of tastes, odors and chemicals, including chlorine, chloramines, herbicides, & pesticides

1" Connection

Large NPT connection for minimal flow restriction

Pressure Release

Provides simple pressure let off to reduce water spray when changing filters

Mounting Bracket

System comes built on a white, powder-coated, heavy-duty steel mounting bracket.

DIY Installation

Simple in/out connection and installation instructions allow most home owners to install these systems on their own

Product Description

Control your water with the 3-stage Iron and Acid pH system! Remove dirt and particulates from your water for cleaner looking water. Treats iron, heavy metals, and low pH, acidic water to stop staining and improve water saftey. Finally, remove chlorine, chloramines, pesticides, herbicides, organics, MTBE, THM, and many other unpleasant tastes, odors, and chemicals.

3 canister system provides cleaner, safer water, without electricity or waste water. Complete system includes 1" NPT inlet/outlet filter housings with pressure relief valves, mounting bracket, filters, and filter housing wrench.

High Flow "Big Blue" Filters - Larger 4.5" diameter filters provide more surface area and fewer flow restrictions than standard sized filters, allowing for higher service flow rates.

DIY Installation - We provide detailed installation instructions that allow most homeowners to install this system themselves. All it takes is some basic plumbing skills and some common knowledge! If you don't feel confident installing it yourself most plumbers can install it in about 1-2 hours.

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2 Reviews

  • 5
    Water ph level

    Bought the 3 stage 20 inch big blue for acid neutralizer. It raised my ph from 6 to 7. I would buy this product again.

  • 4
    Worth the money

    I had a low pH of 5.5 I bought the three stage big blue low pH system and it corrected my problem and made my water tastes great.

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