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GREY WATER TOILET

One of the easiest ways to save water is to install toilets that utilize grey water from bathroom sinks and/or showers for flushing, thus saving up to 40% of water usage.

💧 New to home water conservation? Start with the EPA's WaterSense program to see where your home uses the most water and which fixtures save the most.

Sink-to-Toilet & Grey Water Toilet Systems

Prices and ratings from Amazon.com as of September 13th, 2026 — subject to change.

Sinkology SinkPositive GreenFlow Toilet Tank Sink Retrofit

$87.99

3.9

★

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Sink Twice Adaptable Toilet Tank Sink

$71.99

4.4

★

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Simple Project 3-IN-1 Modern 17 Inch ADA Tall Toilet with Sink

$329.00

★

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Sink Twice for Toilet Tanks Measuring 15.25 to 16.8 Inches

$62.99

4.2

★

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SUPERFLO Elongated Toilet with Sink, Faucet Toilets

$392.00

★

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Simple Project Modern 2 in 1 17 Inch Tall Toilet with Sink

$389.00

4.2

★

Shop on Amazon

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GREY WATER TOILET

One of the easiest ways to save water is to install toilets that utilize grey water from bathroom sinks and/or showers for flushing, thus saving up to 40% of water usage.

Sink-to-Toilet & Grey Water Toilet Systems

Prices and ratings from Amazon.com as of September 13th, 2026 — subject to change.

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