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Old 23-05-2022, 12:53   #1
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Rainman 12v watermaker

Hi

Iíve just fitted a Rainman 12v watermaker to my Vancouver 34, at 55 BAR and at the minimum water flow it still tastes brackish, any ideas how to fix this or is it normal ?
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Old 23-05-2022, 15:41   #2
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Re: Rainman 12v watermaker

If it’s a new Rainman or it was pickled, you need to run it for a good 30+ minutes to get the taste out.
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Old 24-05-2022, 00:34   #3
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Re: Rainman 12v watermaker

Thanks for that Iíll give it a try
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Old 24-05-2022, 03:46   #4
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Re: Rainman 12v watermaker

If the above suggestion doesn't work, feel free to log a support request with us. We would want to collect some information about your system.

https://www.rainmandesal.com/support-request/
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Old 24-05-2022, 04:38   #5
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Re: Rainman 12v watermaker

The taste is the big clue here. Does it taste salty or does it taste more like a chemical taste? At 55 BAR or approximately 800psi the pressures supplied are spot on. Did you flush the new membrane for 20-30 minutes before you pressurized your RainMan? All new watermakers are shipped with the membrane/s stored in a preservative that must be flushed out first (Without the system under initial 800psi pressure) Starting a membrane that is soaked in preservative under 800psi can drive this preservative into the membrane surfaces causing clogging and damaging the membrane. If you did not flush the system, try again but this time double the flushing time to 40-60 minutes then re-pressurize. This will take out any chemical taste. It is extremely rare to see a brand new membrane fail right out of the bag and giving high TDS readings which you would taste as any hint of salt in the water. I see RainMan chimed in above. But if we can be of any assistance we are here in the S. Florida area as well.
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Old 24-05-2022, 06:14   #6
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Re: Rainman 12v watermaker

Yes I did flush it out as per the instructions, itís kind of a brackish taste, I phoned the supplier who thinks it could be the marina water causing it, however Iím going to pickle it now till I get in open water next week
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Old 25-05-2022, 06:00   #7
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Re: Rainman 12v watermaker

Quote:
Originally Posted by removalizer View Post
Yes I did flush it out as per the instructions, itís kind of a brackish taste, I phoned the supplier who thinks it could be the marina water causing it, however Iím going to pickle it now till I get in open water next week
it's cheap and easy to get a TDS meter to know whether the desalinator is working, rather than the subjectivity of your taste
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Old 25-05-2022, 06:21   #8
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Re: Rainman 12v watermaker

TDS meter, just looked it up, what a good idea, just ordered one
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Old 25-05-2022, 08:31   #9
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Re: Rainman 12v watermaker

It's a good idea to have one but it will not tell us if the taste is chemical why is it. It will only give you the TDS readings. We are not concerned with the TDS at this point, it's a new membrane it should be fine. It is the odd taste that is the concern. Very few things can get through a good membrane that you can taste. Anything other than hydrogen sulfide gas smell or taste can be an indication that something is amiss. Let us know after you've sea trialed it in good clean water. If it's making proper production and the TDS readings are in range but the taste persists there could be a problem. Let the system run at full pressures for at least an hour and check it again.
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Old 25-05-2022, 10:37   #10
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Re: Rainman 12v watermaker

The marina is a bad place to be running it, diesel in the water as well a grey and black water discharge.
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