View Full Version : R O membrane, best value?
salty joe
03/06/2010, 09:53 PM
I have a 5 stage RO DI unit and all the filters need replaced. Like a lot of people these days, I have to stretch every nickle. Anyone know who has a good deal on a good product?
arresife
03/06/2010, 10:05 PM
I have a 5 stage RO DI unit and all the filters need replaced. Like a lot of people these days, I have to stretch every nickle. Anyone know who has a good deal on a good product?
bulk reef supply
troyman
03/07/2010, 06:08 AM
Tb Aquatics.com has the best prices i found i have used them for years my tds reading is 0 check them out
salty joe
03/07/2010, 10:01 PM
Thanks, I'll check them out.
Toddrtrex
03/07/2010, 10:35 PM
I wouldn't skimp on the actual membrane (( just try to find the best price for a good one )). I would look for the Dow Filmtec 75 GDP one. It has a 96-98 rejection rate, so while it will cost a bit more now, it will pay off in the long run --- with a higher rejection rate you will go through your DI resin slower.
lordofthereef
03/08/2010, 01:06 AM
I would look for a Filmtec and see what store has the best price on that brand. IMO those membranes are the best in the industry. FWIW that membrane should only need replacing every 3-5 years if properly kept.
troyman
03/08/2010, 06:20 AM
the brand they sell is filmtec i buy a 150 gal pd membrane with restrictors for 48 dollers they also sell carbon di resin lots of stuff
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