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Exposing Diamond Brite

Posted by glenrosepool (My Page) on
Thu, May 19, 11 at 20:35

We built a new pool March of this year and had Black Onyx Diamond Brite installed. We have been brushing it 1-2 times per day since March 8th. The pool is very smooth and does not have any exposure of the aggregate hardly anywhere. The only place it is "slightly" exposed is in the spa. There is also a great deal of color variation throughout the bottom of the pool. There are even some perfect white spots in the shallow end. The tanning ledge, spa and walls look black, but the bottom of the pool has streaks of white everywhere. We filled the pool with water from a pond on our property because it was our only option. It took 3 weeks of daily treatments etc from a pool company and finally a chemical treatment that caused flocculation of the clay particles to get the water to clear up. We have been told that what we need to do is drain the pool and do an acid wash. This is not an option for us because we have NO way to fill it again. We subcontracted the building of the pool on our own with the help of a pool plumber. Therefore, we have no leverage with the plaster installer and after a month of trying to get him to come look at the pool (with us willing to pay for what needs to be done) he will not return any of our phone calls. We are desperate and getting closer and closer to pool season and not wanting to cut into that based upon what remedy we need to apply. Any advice would be greatly appreciated. We have spent so much money and do not have what we wanted or what we were told we were going to get plus the streaking just looks bad. Thanks for your time in advance.

Follow-Up Postings:

RE: Exposing Diamond Brite

I would contact SGM who I believe owns the Diamond Brite line.

Find your local rep and see if they will warranty the product or at least advise. Either way, they need to know about the plaster installer shoddy work.

Best of luck.

RE: Exposing Diamond Brite

The method commonly used to get the most uniform exposure is referred to as a no-drain acid wash. It basically consists of lowering the ph in the pool down to 2 or less and maintaining the low level until it scours the surface and exposes the finish. This low ph can last for several days to a week.
Be sure to bypass the heater and any copper systems or feeders in the equipment. Generally, I do not run the equipment in these pools unless absolutely needed. You will need to brush.
You may want to find a pool service tech to do this for you. They should be able to calculate the amount of acid necessary to do the job. It takes a little effort to rebalance the total alkalinity when its done.
Solves your problem of having to drain the pool.
Good luck.

RE: Exposing Diamond Brite

Sometimes I suspend a small, cheap, submersible pump from an extended pool pole spread across the pool. The gentle flow helps move the water so the pool equipment isn't used to move water. With the pH that low, brushing a couple times a day is suggested.


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