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Thread: Cleaning Concrete Decking Effectively

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    Cleaning Concrete Decking Effectively

    We have a pool safety cover that gets installed each year. As you can see from the pictures, we have developed a color difference between the concrete exposed all winter and the part that is covered by the safety cover.

    I've tried used a low PSI (1500) electric power washer with the 25 degree & 40 degree nozzles. Barely does anything. Tried very diluted water/bleach mixture with no real difference.

    How does everyone else keep their concrete looking so good? Do I need a stronger power washer? Maybe I diluted the bleach mixture too much?

    Thank you in advance for your advice!IMG_1627.jpg
    33,000 gallon salt water freeform vinyl liner with concrete walls and waterfall
    Built in 2014
    Jandy PHPM 2.0 pump, Jandy CV460 cartridge filter, Jandy Aqua Pure PLC 1400 SWG
    Using the TF-100 test kit

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    Join Date
    Oct 2011

    Re: Cleaning Concrete Decking Effectively

    How long has it been opened? I think it is moisture in the concrete that causes the shading differences and will even out in time.
    20x44 IG vinyl. Intelliflo, Pentair Cartridge Filter (420ft^2), Raypac 336K, Kreepy Krauly

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    In the Industry
    blakeusa's Avatar
    Join Date
    Jul 2010
    Ashford, CT

    Re: Cleaning Concrete Decking Effectively

    You might be best served by getting a real power washing company to come by and either clean your deck or give you a quote.

    They have special chemicals and soaps and high powered brooms that may be best to clean your deck. I would expect its dirt with maybe
    some tree pollen

    25k 20x40 Gunite w/ integrated Spa & Caribbean Blue Plaster, Curved Bluestone Coping, Deck Jets
    Pentair Easy Touch/Wireless, Sta-Rite Intellipro SRVS Pump, Intellibrite Lights, & Pentair IC40 Cell, Sta-Rite 450sf Cartridge filter
    Heated from Central Boiler - Outdoor Wood Furnace & Triangle Tube Max Heat Exchanger
    ColorQ Pro

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    Divin Dave's Avatar
    Join Date
    Oct 2013
    Longview, Texas

    Re: Cleaning Concrete Decking Effectively

    You need one of these things. There are several companies who make them. They work wonders with lower psi power washers and make deck cleaning quick work. These are what the pro's use but theirs are the industrial grade type.

    I bought one of these deck cleaning attachments.

    After watching YouTube a few years ago, I was skeptical that it was some kind of trick. But it wasn't they work exactly like as shown in this video. One of the best inventions ever. And it won't leave streaking like a fan nozzle will do.

    I bought this exact one a few years ago and it's awesome.
    Simpson 3,600 psi 15 in. Surface Cleaner with Quick Connect Plug-80166 - The Home Depot

    If the deck still doesnt come clean, you can rent a bigger power washer for a weekend farily inexpensively. Just dont exceed the psi rating of the attachment.

    Yamaha Surface Cleaner 15 - YouTube
    Divin Dave,
    IG Vinyl, 15' x 30', 3 1/2' - 6' deep, Oval, ~15K gal, Intelliclor IC40, Intelliflo VS pump, Clean and Clear 420 Filter, auto-fill-disabled, Retrofit LED Color Light, Dolphin Nautilus Robot, TF100 Test Kit, Taylor K1766 Salt Test Kit, Tftestkit Pressure Gauge. Experience- it's what's learned just after you needed it most !!

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