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Old 10-03-2009, 05:25 PM   #1
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Default Whirlpool High Capacity Reverse Osmosis System At Lowes-$147

I know someone that just installed one of these-but not for brewing. I am struck by the name brand, capacity of 14.5 gallons per day, easy availability of filters, low waste and the fact that it's top rated by consumer reports.
It also has a membrane flush.

I'm tired of making a trip to get pure water.

Is there a down side to this that I am not seeing?

Price varies by your zipcode. $147 for me.

Whirlpool
High Capacity Reverse Osmosis System Water Filter

Item #: 129808 Model: WHER25

Filters out sediment, chlorine taste and odor, lead, cysts, chemicals and total dissolved solids
EZ change indicator light
High capacity system delivers bottle-quality water at your sink and also notifies you when it is time to replace filters
Reduces select contaminates such as: Arsenic, asbestos, cysts, lead, radium and turbidity

Whirlpool's site FAQ's:
http://ecodyne.org/rof/page4.asp

"What are the specifications of the system?

Supply water pressure limits 40-100 psi (280-689 kPa)
Supply water temperature limits 40-100 °F (5-40°C)
Maximum total dissolved solids (TDS) 2000 ppm
Maximum water hardness @ 6.9 pH 10 gpg
Maximum iron, manganese, hydrogen sulfide 0
Chlorine in water supply (max. ppm) 2.0
Supply water pH limits (pH) 4-10
Product (quality) water, 24 hours (1) 14.53 gal. (55 liters)
Waste water per gallon of product water (1) 5 gal. (18.9 liters)
Percent rejection of TDS, minimum (new membrane) (1) 90-95
Automatic shutoff control yes
Efficiency (2) 9.7 %
Recovery (3) 19.7 %

How long do the filters last?
We recommend that you change the filters every six months. Leaving the filters in place longer than six months can increase the possibility of bacteria growth on the filters, which could then enter your water supply. The Whirlpool® RO system comes with an indicator light on the faucet to inform you when it is time to change filters.

The RO system also includes a membrane, which is the center of the three filter elements. The membrane will typically last 1-3 years, depending on water usage and the quality of your incoming water supply. The membrane should be replaced when you notice a difference in the taste of your water. The life expectancy of an RO membrane will be longer if you have a water softener because the membrane will not plug up with hard water particles."

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Old 10-03-2009, 06:25 PM   #2
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I bet well water with the minerals would plug it up rather fast vs tap water.
I switched over to well water and run it thru a fine stainless screen preventing any solids like a sand particle. Minerals I can live with vs the tap water I find makes for better tasting bier, I have both to draw from.

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Old 10-03-2009, 07:26 PM   #3
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I would think that Michigan water would be just fine for brewing. I brew primarily with carbon filtered tap water. I do occassionally buy distilled water to blend 50/50 with my tap water for light lagers and any beer that required softer water. What makes you think that anything is wrong with your tap water? Generally, if your tap water tastes OK, it's acceptable for brewing.

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Old 10-03-2009, 07:35 PM   #4
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Quote:
Originally Posted by Catt22 View Post
Generally, if your tap water tastes OK, it's acceptable for brewing.
Not if you are trying to target specific chloride/sulfite ratios, residual alkalinity, mash pH etc. Sometimes its easier to start with RO water and build a profile from there. Your water might be great for light beers, but be abysmal for darker ones. Also, my water tastes fine, but I've been having problems with chloropenols caused by chloramine.

To answer your question specifically Henry, I have no clue if its good or not. The price is good, so if you can afford it right now, why not give it a shot? 14.5 gallons is plenty for 5 gallon batches.
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Old 10-03-2009, 07:50 PM   #5
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the problem with michigan water is that we run off of many different aquifers. this means that what applies to a well in perry,where the op is at, doesn't apply to someone ten miles away since they'll likely be drawing from a different source.

also, the taste good brews good is only a basic rule for noobs anyway. when you start obsessing over your beer enough to get your water tested and you find that your carrying a shotload of dissolved solids/minerals in it you want an easy way to be rid of them for your brewing supply.

nice find btw henry i'll havew to look into it for ridding myself of all the iron in mine, i could build a dang battleship with the iron in my lines i bet.

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Old 10-03-2009, 07:52 PM   #6
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Quote:
Originally Posted by Edcculus View Post
Not if you are trying to target specific chloride/sulfite ratios, residual alkalinity, mash pH etc. Sometimes its easier to start with RO water and build a profile from there. Your water might be great for light beers, but be abysmal for darker ones. Also, my water tastes fine, but I've been having problems with chloropenols caused by chloramine.

To answer your question specifically Henry, I have no clue if its good or not. The price is good, so if you can afford it right now, why not give it a shot? 14.5 gallons is plenty for 5 gallon batches.
dangit!!1 xiang are you on city water???? is that why i have a keg full of bandaid tasting red ale?
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Old 10-03-2009, 08:54 PM   #7
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Waste water per gallon of product water (1) 5 gal. (18.9 liters)
thats low waste? I would just buy a cheapo whole house filter system. I got mine for free and a set of cartridges are $10. then again my water is great. it would be nice to be able to plumb that waste water into a gray water tank for laundry or watering your hops or something.

jeez after 10 years Portland must be getting on me... eww...
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Old 10-03-2009, 09:35 PM   #8
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heh, I didn't expect that everyone would know I've had my water tested and posted a sticky on water amendment software and Ward's water testing do's and don'ts. It tastes fine, but my water is the bomb for +40SRM beers.

I'm just looking for a an experienced opinion of the eco made RO system sold by sears and whirlpool. My understanding is that it uses non-standard filters instead of standard 10" cartridge water filters, but that's how they make any coin on these, with this low snagger introductory price.

Still, is this a trojan water filter black hole, or a gem with special requirements?

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Old 10-03-2009, 09:39 PM   #9
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idk henry i like it but like chester i have a bit of a problem with the 5g waste for every 1g produced. and its probably a turn the tap on trickle and fill a carboy/kettle thing over 6hrs which would suck almost as bad as going to the store for water.

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Old 10-03-2009, 09:45 PM   #10
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You get a couple gallons or whatever in small supply tank at a time, going to the store is the sukk. Remember, I only want 50% RO for a brew, and amendment of gypsum and HCl will give me a 1-5 SRM beer. So even for a 10 gallon batch, I've got it covered in milking the RO tap in under 24 hours, or I can upgrade to a bigger pressure tank...and just milk the tank once.


Having a well, I don't care about only getting 20% RO out of total water usage-it means nothing to me. You'd be amazed at how many thousand gallons of water I waste per month in current use. >shrug<

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