Thanks, Al, for the info, I intend to build your version soon. Can't remember where I read it, but someone had posted to a list that they had taken a spent cartridge from a "Tapwater Purifier" (deionizing filter), emptied the exchange resin, refilled with peat (pellets or fiber) and installed it in a Tapwater Purifier unit (top and base cap) and that it worked well. I have two used cartridges that I plan to retrofit in this way this weekend, one with Fluval peat pellets (expensive alternative) and one with loose peat. I will attach one in-line in an extra Tapwater Purifier unit I already have following the deionizing Tapwater Purifier and should have a simple method of producing almost ready to use water. Almost...in that I also manually add Seachem Equillibrium. I like this low tech, low cost approach since I was just going to toss out the cartridges anyway. I'll let you know how it works. Ray Ray McCaleb ray_mccaleb@oit.peachnet.edu GeorgiaFIRST Project Services Board of Regents of the Univ. Sys. of GA OIIT/EAS/CS 1865 W. Broad Street Athens, GA 30606 http://www.usg.edu > -----Original Message----- > From: owner-apisto@admin.listbox.com > [mailto:owner-apisto@admin.listbox.com]On Behalf Of AL SMITH > Sent: Wednesday, March 07, 2001 9:02 AM > To: apisto@listbox.com > Subject: Re: Medications and peat moss.. > > > This how I builtthe filters: > > > 1, Take a lenght of pvc pipe(3 or 4 inch dia. and the length you desire). > > 2, cut to your desired length and then clean both inside and outside with > alcohol to remove any contaminents. > > 3,Then use a fitting(2 needed) that has a female end that fits > over pipe and > on the other end it has a inside thread that takes a male plug that is > threaded . silcone the end of the fitting to each end of pipe. I > forgot what > the fiiting was called...but they are at lowes or home depot. > > 4,Then you need to get 2 nylon fiitings that are threaded on one > end and has > a barbed end to except 1/2 inch I.D. plactic hose as used in canister > filters..Then drill a hole in the plug (there is a square on the > top of plug > for removal by a wrench) I used a wood speed bit to make > hole..then silicone > fitting into hole..it is usally a tight fit..do both ends this way.. > > 5, Let sit overnite to complete the curing of the silicone...use aquarium > grade silicone or equivilent..none with mildew inhibitors in it.. > > 6, to load filter. put filter floss in first..then your peat > moss then top > it off with more floss..so now you have floss at both ends and peat in the > middle..you can also use carbon or sponges from fluval..put ant thing you > want...I use a powerhead with a prefilter to run this... > > make these any length you want for the application needed or tank size.... > > Then end result after built should look like a uv filter...or an enlarged > filter that goes on your water inlet on your refridgerator water supply. > > This filter really works fine....my apisto's love the water after I run > this..color up nice...nice brown gold water > > Now if I can find the resin used in the DI filters in bulk I can make tap > water purifiers and then regenarate the resin.... > > The project I am working on now is a spin cleaner for sponge filters the > spin clean them with a electric drill ..Let you know how this works out... > > Any questions e-mail me alsmith1@mindspring.com > > Al Smith > > > > ------------------------------------------------------------------------- > This is the apistogramma mailing list, apisto@listbox.com. > For instructions on how to subscribe or unsubscribe or get help, > email apisto-request@listbox.com. > Search http://altavista.digital.com for "Apistogramma Mailing > List Archives"! > ------------------------------------------------------------------------- This is the apistogramma mailing list, apisto@listbox.com. For instructions on how to subscribe or unsubscribe or get help, email apisto-request@listbox.com. Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!