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Thread: Hot tub water turning translucent green after adding Shock

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    Hot tub water turning translucent green after adding Shock

    Hot tub water was clear then I added shock. It turned a clear green. What happened and how do I fix it?

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    Mod Squad jblizzle's Avatar
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    Re: Hot tub water turning translucent green after adding Shock

    Can you be more specific about what chemical you added? "Shock" could mean just about anything.
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    Isaac-1's Avatar
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    Re: Hot tub water turning translucent green after adding Shock

    This is a classic example of metals in your water (iron or copper most likely), the question then becomes how did it get there. The answer is either in your fill water or through something you put in the tub. Many algaecides contain copper, so do many mineral systems, if you can tell us more about how you care for your tub we may be able to isolate how this likely happened.
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    cowboycasey's Avatar
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    Re: Hot tub water turning translucent green after adding Shock

    Welcome to TFP Yep, that real pretty bright green usually means metal in the water... Could you update your signature with your spa/equipment, it makes it easier to help

    also, is you fill from a well?

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    Richard320's Avatar
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    Re: Hot tub water turning translucent green after adding Shock

    Welcome!

    Emerald green would point to Copper. Sickly green is more likely Iron. Pool School - Metals in the Water and Metal Stains
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    Swampwoman's Avatar
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    Re: Hot tub water turning translucent green after adding Shock

    If you're on well (and I suppose even if not) Metal Gone spa metal sequestrant will clear iron tint for sure, with maintenance dosing of Metal Defender. (It what I use in the hot tub and my raw well water has 2 ppm iron. I also started using a Prefresh Filter last season, which helps to a degree IME.)

    But if you're not on well, and there's no metal in your source water, changing the water might be the solution.
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    Re: Hot tub water turning translucent green after adding Shock

    Thank you all so much for the quick responses!!! I will update my signature with our pool/spa specs and equipment too. The "shock" we used was not chlorine, it was specifically for hot tubs, but I don't have the name of it to memory. I believe it's just simply time to change the water out as it's new to us, our 1st tub to own, and we've had it going since March, and have used it often. So happy to have a positive feedback website to post & get info from. Thank you!!!

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    Re: Hot tub water turning translucent green after adding Shock

    Is it "Spaguard Brominating Concentrate"? (Dichlor and bromide)

    I have a container of that and I think that's what has been turning my spa green too. Does it happen right away when you add the sanitizer? You can search my earlier thread on my green spa...

    Marc
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    Spa: 525 Gallons, Coast fiberglass spa of unknown vintage and suspect previous care with a 2-speed main pump and a blower motor, both 4HP. 3-step bromine sanitized.

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    Re: Hot tub water turning translucent green after adding Shock

    If this is your first hot tub and you just bought it you may want to read How do I use Chlorine in my Spa (or pool)? and Used Spa
    Indoor 20x40 35,000 gallon vinyl pool with 1.5 HP 2 speed Jandy FloPro pump, Hayward EC75 Perflex DE filter, 11 4x12 Techno-Solis solar panels w/ Aquasolar controller, Aquabot Turbo T Robot Cleaner. Also LMI metering chlorine dispenser pump and HotSpring Jetsetter
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