Top Toilets - Get the Flush Test

July 25, 2009 11:53:02 PM PDT
"First, you've got to decide between gravity-flush and pressure-assisted models and, while most use the standard 1.6 gallons per flush, you'll find more and more that are designed to use even less water - including dual-flush models." said Bob Markovich, Consumer ReportsConsumer Reports went to great lengths to find the best performers. In all, testers evaluated 25 toilets.

Testers fill the bowls with blue dye to see how well the toilets remove liquid. Then flush.

"You want a toilet that removes all the blue-dye and replaces it with fresh water." Said bob Markovich, Consumer Reports

The Toto Ultramax Two, equipped with a water-saving 1.28 gallon tank, couldn't get the job done.

"It took two flushes - or 2.6 gallons. So much for saving water!" said Bob Markovich, Consumer Reports

And some dual-flush toilets that tout water-saving didn't do a great job either.

To assess solid waste removal, testers fill toilets with 160 plastic balls, two latex cylinders, and seven sponges weighted with screws.

This one clogged almost half the time.

When all the tests were done, Consumer Reports named several very good performers best buys. Among them, the Gerber Avalanche for $300 dollars. It has a standard 1.6-gallon tank.

A second toilet, the Kohler Cimarron, uses even less water, and also costs $300 dollars.

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