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#1 |
Premium Member
![]() Join Date: Sep 2003
Location: Barrington, RI
Posts: 242
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Hi guy’s
I have notice that my gauge stay on little bit longer then I usually see it (the gauge on the membrane). Therefore, I decided to check the flow ratio. I set up a gallon jug for the pure water. I put the wasted water drain into a six ½-gallon bucket (Instant Ocean bucket). When the gallon jug got fill, I shut the valve that goes to my safety float for my aquarium sump. I go check the waste bucket and I see it still drain, I know it suppose to do that for a very short time. I have done this to make sure that when I replace my new membrane the ratio is should be 4 to 1. Have it for about 5 to 7 years. Therefore, I decided to come back later (lunch ![]() City water that come in is 55-psi., it a 90-gallon per day unit, with DI. The water tempter is 45 degree. Any suggestion please let me know, thank you |
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#2 |
Registered Member
Join Date: May 2003
Location: PA
Posts: 216
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Water temperature is definitely a problem if that is deg. F. A new membrane won't help that. The 4 to 1 ratio is probably rated at 60-70 deg. or more. Cold water gets very little good water. Also the 4 to 1 ratio is ideal. It depends on TDS of the inlet, temperature, psi etc.
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#3 |
Registered Member
Join Date: Sep 2005
Location: Seattle
Posts: 2,843
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FWIW, I get about the same ratio. Our water is very cold as well. I think that is pretty normal.
Regards, Pat
__________________
90 AGA Megaflow (Setup 1-24-06) 120 Lbs. Liverock EuroReef RS 100 Skimmer 2 X 150 MH 2 X 96 watt PC Actinic 2 Clarki Clowns (31 months old) 1 Niger Trigger (Owned 6 months) 2 Tunze 6055 PH Current Tank Info: 90 AGA Megaflow To Be Mixed Reef |
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#4 |
Registered Member
Join Date: May 2004
Location: Boise, ID
Posts: 1,344
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It's definately the cold water. I get close to 3:1 in the summer, and in the winter it's about 6:1.
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#5 |
Premium Member
![]() Join Date: Sep 2003
Location: Barrington, RI
Posts: 242
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Hi Guy"s
My TDS in is 58 and my TDS out read 0 Cool, thank you |
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#6 |
Premium Member
![]() Join Date: Sep 2003
Location: Barrington, RI
Posts: 242
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BMP
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