A question I sometimes get asked is "Does my pool really need re-grouting?".
It depends on a few things:
- Does your pool keep going green?
- Do you have lots of black lines where the grout was/should be?
- Are you getting black spots? (I don’t mean the one before your eyes!)
- Is your pool becoming a problem?
Most of us don’t have these problems, but if you do and you have large areas of missing grout, then your pool may need looking at.
Where the grout is missing algae spores will start to form on the lovely porous concrete under the tiles ( algae loves porous sufaces), this is why if left too long you will see black areas in your pool.
The most common reason for needing a re-grout is the original mixture may have been made too weak. I have seen all too many times grout being mixed to a consistency like paint, which is then brushed over the joints, then washed over with a sponge, left to dry and then sponged again. What happens is that as the mixture dries out, air bubbles form and when it completely dries it becomes brittle and just falls out.
The correct method is to mix to a thick paste and push the grout into the joints, wipe off the excess and polish off to a gloss-like sheen when dry.
It’s also possible that the pH in your water is too low (below 6.8) and literally eating away at the grout. Keep an eye on your pH and don’t let it drift below 7.0.
If you have an automatic pH controller, check the pH manually occasionaly as the sensors have a life-span of around two years (although they can last longer), leave it unchecked and you could find yourself needing a re-grout.
If you have just small areas where the grout is missing and you are having no problems and it’s not unsightly, my advice is leave it as long as you can – a re-grout is never cheap – and you will have to empty your pool and replace the water (costly).
If you think maybe your pool needs a re-grout or indeed would like a full appraisal of your pool and it’s system, just give us a call, we are friendly and don’t bite !
We do pool maintenance, repairs, servicing, in fact anything to do with pools. Based in Alhaurin el Grande , we cover the Guadalhorce Valley including Coin, Alhaurin de la Torre, Cartama, Cartama Estacion, and surrounding areas.
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