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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

What ro unit to buy?

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28 Jul 2016 16:20 #1 by Jonlate (Jon Late)
Hi people,
For the past week I have been looking at water filters, and now have some questions!
As the post says, what ro filter should I buy for my saltwater tank?
Do I need a rodi unit or just a ro unit?
The prices vary so much, but is it a case of 'you get what you pay for?'
Take the one on our sponsors page from Western Green.

westerngreen.ie/collections/reverse-osmo...5-stage-proline-plus

It's a very good price at €180, but will this get my water clean enough for making salt water from?
How many filter stages do I need?
What do you use?
Should I just make my own up?

Any help greatly appreciated.

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28 Jul 2016 22:28 #2 by anthonyd (Anthony Debesne)
That is the one i use for my shrimp tanks, it has a booster pump to compensate for my low low water source
www.vyair.com/Scripts/prodView.asp?idproduct=192

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30 Jul 2016 15:11 #3 by Jonlate (Jon Late)
I see the 10 inch filter containers for sale for about €12. Is it worth buying 3 of these and making my own up?
Has anyone else made their own?

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30 Jul 2016 15:53 #4 by Hicker12 (Stephen Hickey)
Probably better of getting a system like what anthonyed suggested. You will most likely need a booster pump, I started with a 4 stage 75gpd and have upgraded it. Pre filter then 2 carbon block filters then RO membrane then into 2 10 inch DI chambers. TDS is 0 for about 3 - 4 months, depending on use.

Booster pump alone is 50 - 75 so 100 sterling is a good price.

Stephen.

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31 Jul 2016 13:35 #5 by Jonlate (Jon Late)
Maybe I will go ahead and order that one from the uk then.
I just tested my water from the water butt and it came in with a TDS of 12. My tap water is over 400!
Is that TDS of 12, ok to make saltwater from? Or should I try and get it lower by a ro system?

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31 Jul 2016 13:58 #6 by Hicker12 (Stephen Hickey)
There are a few retailers selling very similar systems, shop around ya might get a better deal. Maybe some of the marine guys can jump in here but i would imagine you need a tds of 0 or as close to it as you can for a marine tank. Fluctuations in your water quality can cause algae and stress your tank inhabitants.

With a good RO system at least you know your source water will always be the same. You will end up with a much more stable tank and parameters.

Stephen.

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02 Aug 2016 01:25 #7 by Sukahn (Shane Doorley)
As a rule of thumb for marine never let the TDS go above 35. At that stage it will start killing off corals and fish fairly quickly. RO systems when starting to run out will re letting mainly the heavy metals through which are toxic to your tank. Once you start getting a reading above 0 you should be really changing your membranes.

The site vyair is probably one of the cheapest palces to get an RO unit from, and they come with great customer service and a good warrenty on the system itself. The automated one looks good that i am probably going to buy one lol.

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