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Thread: Acid washing new prism matrix question-Help!

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    texasgal78's Avatar
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    Acid washing new prism matrix question-Help!



    Are these areas with excess plaster ok?? I asked if he could go over some more to expose more of the pebble so he did a little with straight acid. He said if he does too much it will get too rough. Are these areas like that because there just isnt enough pebble in those areas that maybe should have been corrected yesterday when they were throwing more glass pebbles on top? Or is this something that they need to expose more with acid? Im just worried about it looking splotchy in areas and then cant do anything about it once they start filling. Would love your insight! And I will post more pics of the pretty prism matrix when they are done!! So exciting!!!

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    My 2016 pool build Owner build 104' free form IG sport pool,20'x36' (18,300 gal)~7'x8' raised spa with spillover~Oklahoma flagstone coping~12" raised beam with dry stack wallC~Cascading waterfall grotto with flat moss rock~630 sqft salted concrete deck~Deep blue sea-prism matrix~2 Hp Jandy epump~1.5 Jandy stealth~CL580 cartridge filter~Jandy jxi heater~iaqua link 2.0 ~dolphin m500 robot~LED pool lights (2 pool, 1 spa)~TF-100 test kit

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    Re: Acid washing new prism matrix question-Help!

    that is really pretty, it may get less as you brush the pool going forward..
    Pool: Intex 16x32 15000 gal, 2 speed 340042, Pentair CC320 Filter, CircuPool SJ45 Salt System, Intermatic PE653RC; Hot Tub: 650 Gal SWG Megachlor
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    MNiels's Avatar
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    Re: Acid washing new prism matrix question-Help!

    I can tell you that we had the same outcome on our steps with Pearl Matrix, which is also a WetEdge product. Our resurfacing was completed in early March, and the condition has not resolved itself with brushing, even though the contractor said it might. We haven't pursued it, since we had a number of issues with the contractor and by now have just given up on him. It is less noticeable when the water is circulating.
    Vintage pool, 1967. Inground, 23k gal, 38'x18', 3.5'-8' deep, no frills, screen-enclosed. Refurbished 2016: Pentair CC150 cartridge filter, WetEdge PearlMatrix Pebble; porcelain waterline tile; Hayward skimmer SP1070. Pentair/Sta-rite SuperMax VS 1.5 HP pump (6/2017). City water, no restrictions. TFPC, chlorine bleach, TF100, SpeedStir.

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    Mod Squad pooldv's Avatar
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    Re: Acid washing new prism matrix question-Help!

    There is more plaster there, not less pebbles. It is completely cosmetic and will not be a problem. More acid wash is the answer. Aggressive brushing with a stainless steel brush or wet/dry sandpaper will also expose more aggregate.
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    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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    texasgal78's Avatar
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    Re: Acid washing new prism matrix question-Help!

    Quote Originally Posted by cowboycasey View Post
    that is really pretty, it may get less as you brush the pool going forward..
    Thanks! Haven't noticed much of a change yet.

    Quote Originally Posted by MNiels View Post
    I can tell you that we had the same outcome on our steps with Pearl Matrix, which is also a WetEdge product. Our resurfacing was completed in early March, and the condition has not resolved itself with brushing, even though the contractor said it might. We haven't pursued it, since we had a number of issues with the contractor and by now have just given up on him. It is less noticeable when the water is circulating.
    Well that stinks! Hopefully as time goes by, it will get better!

    Quote Originally Posted by pooldv View Post
    There is more plaster there, not less pebbles. It is completely cosmetic and will not be a problem. More acid wash is the answer. Aggressive brushing with a stainless steel brush or wet/dry sandpaper will also expose more aggregate.
    Good to know! I guess I can't do the acid wash since pool is filled, so just do the aggressive brushing to those sites? Thanks!
    My 2016 pool build Owner build 104' free form IG sport pool,20'x36' (18,300 gal)~7'x8' raised spa with spillover~Oklahoma flagstone coping~12" raised beam with dry stack wallC~Cascading waterfall grotto with flat moss rock~630 sqft salted concrete deck~Deep blue sea-prism matrix~2 Hp Jandy epump~1.5 Jandy stealth~CL580 cartridge filter~Jandy jxi heater~iaqua link 2.0 ~dolphin m500 robot~LED pool lights (2 pool, 1 spa)~TF-100 test kit

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    Mod Squad pooldv's Avatar
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    Re: Acid washing new prism matrix question-Help!

    PB can usually pour acid down a tube to that spot and brush to remove the plaster and expose more aggregate.
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    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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    Re: Acid washing new prism matrix question-Help!

    Great choice on Prism Matrix, looks like a Deep Sea Blue? It is a less exposed part of the aggregate that we in the business call "the cream". You likely don't notice it now that there is water in your pool. Would love to see some pictures post start up! Make sure you register your warranty so you are covered if anything goes weird with it Wet Edge | Warranty. You do get 15 years on that finish in residential!

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    texasgal78's Avatar
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    Re: Acid washing new prism matrix question-Help!

    Thanks Jake for that warranty link. I do still notice some areas mainly on the bench areas. But, it's fine! I LOVE the prism matrix and yes, its deep sea blue! We are very happy we chose it!! I only have a few pics after startup that show the prism matrix on my phone, but here is one and a few right after fill



    My 2016 pool build Owner build 104' free form IG sport pool,20'x36' (18,300 gal)~7'x8' raised spa with spillover~Oklahoma flagstone coping~12" raised beam with dry stack wallC~Cascading waterfall grotto with flat moss rock~630 sqft salted concrete deck~Deep blue sea-prism matrix~2 Hp Jandy epump~1.5 Jandy stealth~CL580 cartridge filter~Jandy jxi heater~iaqua link 2.0 ~dolphin m500 robot~LED pool lights (2 pool, 1 spa)~TF-100 test kit

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    Re: Acid washing new prism matrix question-Help!

    WOW!!! THAT is STUNNING!!! That is the color I would choose if I could from Wet Edge. Beautiful!
    Denise-TFP Guide
    IG 13.6x30 gunite, Radiant Fusion Topaz, 3.6/5.6/4, 14100 gal, 2 skimmer, 4 Hayward LED lights (pool & spa), Hayward Echostar VSP, 2 future fire bowls, raised beam wall w/ scuppers,7x7 raised spa, DE Progrid70, SWG Hayward Goldline, OmniLogic, Hayward 400K BTU heater, stamped colored deck, Dolphin Discovery robotic cleaner, TF100 test kit, Newbie in Bixby Oklahoma

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    Re: Acid washing new prism matrix question-Help!

    You can fill a squeeze bottle with straight acid and squirt it on those areas while quickly brushing to even out out.
    -Brian-
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    twinkiesmommy2009's Avatar
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    Re: Acid washing new prism matrix question-Help!

    Ours is being acid washed in the morning so this was very informative as to things to watch for. Thanks for posting!


    Started 5/31/16. 38'x23', 618 sqft., <14,000 gallons, 8' spa.Travertine coping. Raised beam w/3 sheers. Large sunshelf w/3 bubblers. SWG IC40, Pentair VSP, 520 cartridge, color LED lights, Easy-touch, screen logic, Maytronics S300i robot, and Wet Edge Prism Matrix finish (Deep Sea Blue with Indigo plaster). Build Thread: Another in Texas - Cypress Texas | MUD District | HOA Approval | Great Escapes Pools

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