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Environmental Designworks Sink Positive Tank Lid Sink

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Environmental Designworks Sink Positive Tank Lid Sink

This patented multi-purpose accessory sink simply retrofits to your toilet’s existing plumbing in minutes without special tools or a plumber. Starting and stopping automatically after each flush, Sinkpositive will amaze you with how simple and practical a product this is! Quality two piece porcelain-like formed plastic, comes with standard aerator or deluxe aerator tip spout for smoother more gentle water flow. Includes installation instructions and necessary tubing.

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Spec Value
Additional Features
Aerator tip spout
Greywater Source(s)
Handwash water
Water Reuse
Toilet flushing
All
Amount of Water Reused
2,100 gallons per month (for the average family of 4)
Release Date

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User Reviews: Environmental Designworks Sink Positive Tank Lid Sink

Ranked #3 in the this category Greywater Recycling
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Average of 5 Reviews
Overall 5 star rating
Value 3.5 star rating
Water reuse benefits 5 star rating
Ease of Installation 4.5 star rating
Product Eco-Score 5 star rating
Company Eco-Score 5 star rating
See All 5 User Reviews
Most Recent User Reviews
Water reuse benefits 5 star rating
Product Eco-Score 5 star rating
Overall 5 star rating
2 people found this review useful
Why would anyone have a toilet without one?
Lola reviewed November 20, 2008 at 1:32 pm

Plain and simple, I think the Sink Positive may be one of the best green inventions I've ever used.  After you flush any toilet its water tank refills for the next flush.  All the Sink Positive does is route that refill water first through a spigot (so you can wash your hands with it -- it's clean, just like it comes from the sink!) and then it sends the now "gray water" back into the toilet tank.  I just can't believe how intuitive, simple, and water-saving it is.

 

Actually, most impressive/scary is how much water actually goes into each toilet flush (even a low-flow!).  Whenever I've used this, I always have at least twice as much possible wash time as I need.  Totally amazing and every toilet should have one.  :)  I'd give it 10 stars if I could!

Was this Review Helpful?
Yes
Value 3.5 star rating
Water reuse benefits 5 star rating
Ease of Installation 5 star rating
Overall 5 star rating
Pros: great water saving tool, fun to use
Purchase Date:August 2008
1 person found this review useful
Finally got to use the Sink Positive
Deej reviewed August 30, 2008 at 5:42 pm

The Sink positive was one of the first products we had on Green Home and finally getting to install and use one was a treat. You don't quite realize how much water 1.6 LPF is until you watch it flow through a faucet...2 people are able to easily wash their hands on one flush...it's shocking.

 

If there is any complaint it's that it splashes a little bit of water around, but that's a small price to pay if you ask me.

 

The installation was very fast, and if we had figured out that we needed to cut the drain pipe sooner, it would have been over in 90 seconds. Great product.

Was this Review Helpful?
Yes
Value 3.5 star rating
Water reuse benefits 5 star rating
Ease of Installation 4 star rating
Product Eco-Score 5 star rating
Company Eco-Score 5 star rating
Overall 5 star rating
Pros: Easy to install, very simple to use, saves water

Cons: Slightly expensive for the quality
Everyone should have one
Halfpint reviewed September 9, 2009 at 11:29 am
I love this product. It was very easy to install and is easy to use. What a great way to reduce water use. You could potentially eliminate bathroom sinks all together. I got one for my niece and nephew and not only is it the perfect height for them, it reminds them to wash their hands after using the toilet and to think about saving water.

My only negative comment is that it is made of rather flimsy plastic (it does adjust to fit your toilet tank) and expensive for what a basic product it seems to be. I still recommend it to everyone and think it is a great idea.
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Value 2.5 star rating
Water reuse benefits 5 star rating
Overall 4 star rating
1 person found this review useful
Cool device
frank reviewed August 26, 2008 at 4:15 pm

Great concept.  If money were no object, I'd use these things everywhere -- it's a great way to reduce water consumption.  Leaning over the toilet to wash feels a little awkward, but I'm sure you'd get used to it.  And hey, if you can cut down your water usage by a couple of gallons a day, a little inconvenience is well worth it, right?

 

The $130 price is a bit steep though, especially considering it's just a molded piece of plastic, a simple faucet, and a couple of hoses.

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