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pool problems (Read 3233 times)
PaulH
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the hills are alive

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pool problems
Sep 14th, 2008 at 8:45pm
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Our pool of 17000 litres with sand filter has a fine sediment deposit of milky colour that settles but is too fine to be filtered even after adding floculant. It clouds up on vacuuming. PH & chlorine are correct (7.4 & 1.5). So we are now vacuuming to waste into a cube, waiting for it to settle then pumping clean water back but still losing loads of water. Had the same problem last year & have been advised to keep adding floculant at great expense. Any ideas what causes this & how to fix it.
Paul
  
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Nigel
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Re: pool problems
Reply #1 - Sep 14th, 2008 at 9:01pm
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Sun cream can cause this (also helps turning the pool green) - make sure you/guests shower before swimming. 

Also general dust - try a pool cover for when the pool isn't in use.

I've ended up doing the same - pump it all to waste as otherwise it just gets pumped straight back into the pool but since using the cover I've not had any problems.

Nigel
  
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Nobrot the Great
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Re: pool problems
Reply #2 - Sep 15th, 2008 at 3:57pm
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WE do exactly the same paul,the dust/pollen is too fine to filter.One thing that did improve things was to strim the land around the pool.This reduces pollen and insects.The sun cream tends to leave a scum mark around the waters edge.This can be removed carefully by lowering the water level and cleaning it with solvent.It seems it's the only thing that will dissolve the oily substance.The chlorine tablets tend to dissolve quicker as the temperature rises.
We have had no problem with discolouration other than the dust and pollen.This usually settles after 2 or 3 days of non use and can be then 'vacuumed'off as above.
  
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Mostyne
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Re: pool problems
Reply #3 - Sep 16th, 2008 at 9:20am
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Visit http://www.zeobrite.com/Default.asp

They offer a superior alternative to sand in your filter see some details below from their web site:

Zeobrite®
Pool Filter Media
The Ultimate Media for Sand Filters:

    * Provides Superior Water Clarity
    * Lowers Total Operating Cost
    * Cuts Backwashing up to 50%
    * Reduces Chloramines, Odor and Eye Burning
    * Filters Particles Down to 3 Microns
    * Environmentally Safe, All Natural
    * Replaces The Sand In Your Sand Filter
    * Keeps Your Pool Sparkling Clear, Naturally
    * Saves Water, Energy, Labor and Chemicals
    * Easy To Install, Works In All Sand Filters
Typical filter sand is a round slick granule that filters by capturing suspended particles between the grains of sand. As the suspended particles build-up on the top 2-3 inches of sand, better filtration takes place. Sand media can remove particles down to about 40 microns in size. Zeobrite, on the other hand, consists of a rough angular surface in additional to its micro-porous structure. As water flows through the Zeobrite media, larger suspended particles are captured between the grains of Zeobrite, as well as, on its rough surface. In addition, water is actually flowing through the micropores of the granules allowing Zeobrite to remove small suspended particles down to approximately 3-5 microns. These filtering features allows Zeobrite to provide Superior water clarity from your simple sand filter.
  
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Xertaboy
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Re: pool problems
Reply #4 - Sep 16th, 2008 at 4:26pm
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Hi There,
        Yes it's alright if you have a plentifull water supply, and you can keep flushing and "back-washing" your filters etc, but if like me you are not on a mains water supply you can't afford to waste that amount of water.
I have the same problem, but have found a product in the U.K. (can't remember the name off-hand). It comes in like a "squidgy" bar of soap type of thing.
You pop a bar of it into your pre-filter basket. It disolves over a period of time and puts some kind of additional "sticky coating" into your sand filter which allows it to filter even more of that annoying milky stuff out.
It has deffinitely improved my filter set up. It even works if you have one of those small "paper" filter thingies that usually come with the smaller "above ground" pools. 
I will get the name of it for you. I come over a couple of times a year, so could bring some out for you if you want, but if you are over in the U.K. and go into any reputable pool supplies shop, they will know what you mean. Off the top of my head I think it costs about £15 for a box that contains enough tablets to last your summer season.
  
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PaulH
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the hills are alive

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Location: Coll de L'Alba
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Re: pool problems
Reply #5 - Sep 16th, 2008 at 7:56pm
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Thanks to all, Have found a Zeobrite dealer, 35€+20 delivery for a 25llb bag. Seems to be the best stuff if it does what it says, got til next year to decide! Will get some squidgy soap stuff when I'm back in blighty next. Got some good friendly advice from Jardi y Piscinas in El Perello near main square up a side street. v. reasonable floor vacuums at 22€.
Paul
  
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Mostyne
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Re: pool problems
Reply #6 - Sep 17th, 2008 at 9:46am
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We ordered our Zelbrite last year through Tot LLatje in Tortosa, it comes from a company called Certiken and it cost 30euros for15 kg
  
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