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Old 05-17-2004, 07:35 PM   #1
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ro water?

what is ro water and what is the purpose of using it? my tank is 2-3 months old now and i want to get rid of my red slime and hairy algae that is slowly consuming everything.obviously i use tap water with a chlorine remover wich i let sit for a few days.


thx in advance nick
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Old 05-17-2004, 09:08 PM   #2
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R/O water is water run thru a reverse osmosis filter. It will remove about 95% of all total dissolved solids from tap water. A deionization (di) filter which is usually the final stage filter in a r/o unit will remove the final 4%-5% of tds to give you pure water.
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Old 05-17-2004, 10:49 PM   #3
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If you can't afford an RO/DI unit go to a store that carries camping supplies and get drinking water jugs. I don't mean the bottles for an offce style water cooler (jerry can style). Take them to the water machines at the gricery store and fill them up there. That is what I have been doing, but I just ordered an RO/DI unit on Friday (figured it would save money in the long run).

The water cooler bottles cost $10 - $12 for 5 gallons and the jugs cost $5 - $7 for 6 gallons.
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Old 05-17-2004, 11:04 PM   #4
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is spring, drinking, or distilled water good as well? Im talking about the 1 gallon jugs that sell for 89 cents.
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Old 05-18-2004, 03:07 AM   #5
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From what I've read on here distilled water is the way to go.
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Old 05-18-2004, 06:13 AM   #6
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If you want to check your water source, mix up salt water and airate it for a day. Then test the water for tds, phosphates and copper to make sure the water is ok. If not try t find another water source.
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Old 05-18-2004, 02:07 PM   #7
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To check my RO unit is working properly, what should I test for?

Phosphates, copper, magnesium, chlorine...
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Old 05-18-2004, 02:37 PM   #8
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Quote:
To check my RO unit is working properly, what should I test for?
Buy a TDS meter. If your tds is over about 10 ppm it's time to change your ro membrane.
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Old 05-18-2004, 06:56 PM   #9
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How much are TDS meters? :p
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Old 05-18-2004, 10:46 PM   #10
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$24 on Ebay.
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