Water Filters

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nomadtim
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Water Filters

Postby nomadtim » Sun Nov 22, 2015 6:41 pm

Hi All
What are peoples advice on water filters with regards set up, price of replacement cartridges etc, as you know there is so much choice on the market so a sensible compromise is the order of the day.
What have you fitted to yours and are you happy with the set up.
regards tim

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sparks101
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Re: Water Filters

Postby sparks101 » Sun Nov 22, 2015 6:58 pm

Hi Tim,

Not fitted it yet but these came well recommended. I have got one ready to go in for drinking water and I am using standard (B&Q) 10" sediment pre filter and caravan carbon filter for "normal use" water.

http://www.purewateronline.co.uk/Seagull-IV/

Am interested in any other thoughts ??

cheers

Andy

nomadtim
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Re: Water Filters

Postby nomadtim » Sun Nov 22, 2015 7:14 pm

Hi Andy
we have this set up at the moment but the price of the replacement cartridges £62.00 seems crazy to me, you're b&q set up sounds much more like it.
When we are on the road we always drink tea having boiled the water first we hardly ever drink just tap water, just looking at cheaper alternatives.
tim

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NeilandPat
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Re: Water Filters

Postby NeilandPat » Sun Nov 22, 2015 9:49 pm

We strain all the water entering the tanks.

All water pumped out of the tank goes through two 10 inch BTW filters. One is a paper element and then carbon.

we then have two drinking water outlets in the kitchen and toilet basin. These outlets go via a seagull.

Although expensive the seagull filter is fantastic. by adding the pre filters, which are dirt cheap, the seagull lasts years.

you can add bleach into your water tanks and the seagull will even take out the taste of it.

However if the water is brackish the seagull doesn't desalinise.

Neil

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steffUK
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Re: Water Filters

Postby steffUK » Mon Nov 23, 2015 5:46 pm

Just went and bought a new filtration system for our truck and faced the same question. What is needed, what is possible, what is affordable?
When you travel through Europe and or North America you will probably get away with no filtration system at all. Even Morocco is save enough to travel without filtration and use Micropur tablets instead.
If you now go out where water supply becomes really dodgy and you do not want to live along the lines of "cook it, boil it or forget it" then you need a filter. The filter should have a filtration density of 0.5 micron which most B&Q filters do not have. Screwfix does a nice set up as well but it filters at 5 micron. The second thing to look out for is the reduction in flow (pressure) the filter will introduce to the system. Depending what water pump you are using the back pressure can cause the pump to fail. So not every 0.5 micron filter will be suitable. So once you found the right filter housing with the right filter and maybe a 10 micron pre-filter before water goes into the tank you still have to make sure that your tank and all the water lines are bacteria free. Especially when the truck is not used and in between trips any stale water in pipes, pump and tank can turn quickly and that can cause problems. So clean out with chemicals if necessary after a long period of non use.
Now to the filtration systems. Seagull was already mentioned, nice but stupidly expensive and every filter should still be changed after 6 months as otherwise you have the perfect petri dish to grow bacteria in the filter. The BTW 5 micron pre filter Neil mentions helps to keep some stuff out but not bacteria and it will all be held back in the 0.5 micron filter and start to grow there... nice thought how that will look after a year +. :roll:
Another very popular system in mainland Europe is the Biolit 97 system offered by FRM and Lilie and others. They have a filter housing and 10" filter with 0.5 micron. The complete system is offered at €167 with replacement filters going at around €50. However, Biolit buys in the housing from Pentek, an American company and puts a margin on top. The Pentek filter housing can be bought for £48 http://waterfilters.sterner.co.uk/index ... uct_id=847 and filters are around £18 for a 0.5 micron filter. And at that price I'm happy to change them every 6 months :D The Pentek filter equivalent to the Biolit is the Pentek CBC-10 CBC carbon block cartridge, 0.5 micon and / or the Pentair FloPlus 10 0.5 micron.
If you read German, there is a good read about all thing filtration here:
http://www.allrad-lkw-gemeinschaft.de/p ... er#p497915
and here:
http://www.allrad-lkw-gemeinschaft.de/p ... sserfilter
As an inline pre filter you can also use: http://wm-aquatec.de/shop/trinkwasserhygiene/fie100/

Have fun in deciding what you want!
Steff

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steffUK
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Re: Water Filters

Postby steffUK » Mon Nov 23, 2015 5:51 pm

@ Neil
Seagull recommends filter change once a year, http://www.purewateronline.co.uk/FAQ.html
Steff

nomadtim
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Re: Water Filters

Postby nomadtim » Tue Nov 24, 2015 9:29 pm

Thanks guys for the feedback, after checking out our set up that was in the truck we have replaced the cartridges with two dockside filters from General ecology, one of the old ones had disintegrated in the housing so was long overdue a replacement was needed.
Just added a prefilter before the pump now time to order new pipes fittings and s/s jubilee clips, taking advice from Neils build i was going to use some that were lying about the garage but don't fancy problems later.
My intention is to fit a 0.5 micron filter when we ship out but i think the best thing is to fully flush the system once a year with bleach and stick with changing filters once a year.
Synopsis drink more beer and boil the water, happy days

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sparks101
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Re: Water Filters

Postby sparks101 » Wed Dec 02, 2015 8:51 am

Ok, in light of the previous comments. Can you guys in the know have a look at the attached link and comment on this filter,
http://waterfilters.sterner.co.uk/index.php?route=product/product&product_id=99
Used under the sink area for drinking water and used in conjunction with and initial 5 micron sediment pre-filter at the water inlet/tank stage.

My reading leads to to believe this this initial filter (5 micron) will sort out the majority of crap that may block up the system and the latter filter is both sediment (0.5micron) and carbon for the finer nasties and those tastes, odours !!! The big bonus being the price and availability!

any thoughts very welcome,

cheers

Andy

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steffUK
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Re: Water Filters

Postby steffUK » Wed Dec 02, 2015 4:05 pm

That is the filter I'm using as well, at the moment without a pre filter.
You will need a filter housing for that. Something like this http://waterfilters.sterner.co.uk/index ... AhWQ8P8HAQ

Cheers
Stefan

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sparks101
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Re: Water Filters

Postby sparks101 » Wed Dec 02, 2015 9:48 pm

cheers Stefan, :D


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