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#11
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![]() 14
![]() ![]() On a somewhat related question .. what kind of TDS are Calgarians pulling AFTER their RO? I bought a new membrane recently and it rarely reads under 5. I'm going through DI resin like crazy as a result. My last one seemed to register 0 or 1 way more often and I'm wondering what's more normal. I'm kind of thinking I got a dud membrane or maybe it's a brand or rejection rating kind of thing.
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-- Tony My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee! |
#12
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![]() 260 in, < 003 out. Queensland
Tony, Do you flush your membrane? Also, do you have a reservoir tank on your RO/DI? ...and if you run it for a few minutes, then take a sample does it read lower?
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90gal Starfire mixed reef, 400W MH (Giesemann 13K megachrome/Icecap E-ballast), (2) 54W T5 Giesemann true actinic, 45gal sump (65W 50/50 PC), ASM G-3 Skimmer, Mak 4 return, Sequence Dart closed loop, foam backdrop, 120 lbs LR, 2" sandbed, & 1 dillhole running the show. |
#13
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![]() Yes, I flush it at the beginning of every fill into the reservoir. I don't know if I'm doing this right, but here's what I do: I leave the bypass valve open until the TDS reads <10, it takes quite a few minutes to get down to that level. It might come down to anywhere from 0 to 2, if I wait as long as 10 minutes on the flush, but even then sometimes a couple hours later I'll come check it again and it's bounced back up to 5 or so.
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-- Tony My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee! |
#14
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![]() Quote:
I would try removing the DI altogether just to see...
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90gal Starfire mixed reef, 400W MH (Giesemann 13K megachrome/Icecap E-ballast), (2) 54W T5 Giesemann true actinic, 45gal sump (65W 50/50 PC), ASM G-3 Skimmer, Mak 4 return, Sequence Dart closed loop, foam backdrop, 120 lbs LR, 2" sandbed, & 1 dillhole running the show. |
#15
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![]() 20 minutes!
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-- Tony My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee! |
#16
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![]() Lemme know if that does anything for you, Tony.
And my apologies as well, Greg!
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90gal Starfire mixed reef, 400W MH (Giesemann 13K megachrome/Icecap E-ballast), (2) 54W T5 Giesemann true actinic, 45gal sump (65W 50/50 PC), ASM G-3 Skimmer, Mak 4 return, Sequence Dart closed loop, foam backdrop, 120 lbs LR, 2" sandbed, & 1 dillhole running the show. |
#17
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![]() No worries! The more information flying out there the better!
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- Greg 90G : Light - Tek 6xT5 | Skim - EuroReef RS135 | Flow - 2xVortech MP40W | Control - Reef Keeper 2 |
#18
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![]() I've got an inline as well, usually reads 150-180 in... 000-002 out.. No DI canister yet.. just RO. NW here.
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180G Office Reef. Started Sept 2012 http://www.canreef.com/vbulletin/showthread.php?t=88894 62G Starfire Reef. Started Jan 2013 http://www.canreef.com/vbulletin/showthread.php?t=89988 |