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Retirement and forum shutdown (17 Jan 2022)

Hi,

John Howell who has managed the forum for years is getting on and wishes to retire from the role of managing it.
Over the years, he has managed the forum through good days and bad days and he has always been fair.
He has managed to bring his passion for fish keeping to the forum and keep it going for so long.

I wish to thank John for his hard work in keeping the forum going.

With John wishing to "retire" from the role of managing the forum and the forum receiving very little traffic, I think we must agree that forum has come to a natural conclusion and it's time to put it to rest.

I am proposing that the forum be made read-only from March 2022 onwards and that no new users or content be created. The website is still registered for several more years, so the content will still be accessible but no new topics or replies will be allowed.

If there is interest from the ITFS or other fish keeping clubs, we may redirect traffic to them or to a Facebook group but will not actively manage it.

I'd like to thank everyone over the years who helped with forum, posted a reply, started a new topic, ask a question and helped a newbie in fish keeping. And thank you to the sponsors who helped us along the away. Hopefully it made the hobby stronger.

I'd especially like to thank John Howell and Valerie Rousseau for all of their contributions, without them the forum would have never been has successful.

Thank you
Darragh Sherwin

RO Systems

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18 May 2013 21:05 #1 by derek430 (derek)
RO Systems was created by derek430 (derek)
Lads,

I'm planing on getting one RO Unit but not sure of which to get, any ideas??

Also can anyone tell me the difference between Domestic RO Unit and Aquarium RO Unit???

Will a Domestic RO Unit suitable for wild discus?

Cheers

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18 May 2013 21:56 #2 by mars (Gedas)
Replied by mars (Gedas) on topic RO Systems
I got one from one of the forum sponsors, really happy with my purchase. He has plenty to choose, and really helpful.

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19 May 2013 00:05 #3 by JohnH (John)
Replied by JohnH (John) on topic RO Systems
I stand to be corrected, but it seems to me that the differences between the two types (Domestic and Aquarium) is only the fact that the latter description gives them the opportunity to charge more for one!

Mine is a domestic unit and, apart from having to replace filters occasionally and membranes even less regularly has served me well for the past seven or eight years and continues to do so.

Perhaps someone else can shed more light on the subject?

John

Location:
N. Tipp

We're just two lost souls swimming in a fish bowl - year after year.


ITFS member.



It's a long way to Tipperary.

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19 May 2013 00:48 #4 by murph (Tony Murphy)
Replied by murph (Tony Murphy) on topic RO Systems
Essentially, they are the same.
What type/size you need will depend quite a lot on the difference between your actual water and your desired water.
If there is a huge variance, then go 5 or 6 stage.
If not, 3 stage should be fine.
One important thing to buy with it is a TDS meter. (Ian will chime in with lots of usefull info here, including why they are not TDS meters, but rather than evaporating liters of water and having a very accurate scales, they do provide a reasonable guide for maintainance purposes, if nothing else.)

How the unit is used has quite an impact on cost of ownership.
Stoping and starting generally is detrimental to the RO membrane its-self.
The carbon filter saturating with chlorine is similarly bad.
Leting the membrane dry out will destroy it.
Most times, the membrane will last longer if on continually and regulary flushed, than if only used when required. This increases the frequency with which the pre-filters have to be changed.
It also increases waste (unless the drain feed is used to fill cisterns, etc.)
Efficiency of conversion increases with water pressure, but membrane life reduces.

The above is a basic summary.
Everything involves trade-offs with RO, before water charges are even considered!
However, as a(n in-) famous saying goes, "try *****, you won't go back"

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