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Thread: Algae Growth - Advice Needed

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    SpaceBaron's Avatar
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    Feb 2015
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    Pretoria, South Africa
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    Question Algae Growth - Advice Needed

    Guys,

    I moved into this house last year in April. It has a rather large pool as you can see in my signature. It is a salt pool with a salt chlorinator installed.

    The problem is that I just cannot seem to get rid of the algae! My pool is balanced. I check that regularly! Even with the pool perfectly balanced, those green $@#% keeps on coming back! They grow even in clear water!

    I have tried several products on the market, even adding a LOT more salt, but all that does is to remove the problem in the short term. Every three months or so, I have to waste the bottom of my pool with an eight wheeler and start again! The waste about 10,000 liters of water this way! (excessive!) The water does not turn green, but it does become cloudy and that is how I know I have a problem. I am at that point where I will try anything, even urinating on a spark plug! How difficult can it be to keep your water clear all year round?

    Does anyone have any advice for me? Will it help if I buy a liquid algae killer and throw that into the water once a month?

    Regards,
    70,000 liter (18,500 Gal) In ground Fiber Glass Pool
    9.1 x 6.3 m (30 x 21 ft)
    Salt Water Chlorinator

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    Join Date
    Jan 2014
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    Buckeye AZ
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    Re: Algae Growth - Advice Needed

    The only product you need (for now) is bleach, which is liquid chlorine, and a test kit with the FAS/DPD drop test for chlorine. Are you able to get those in Pretoria?
    10,500 gal IG, Topaz Pebble, auto-level
    Hayward DE filter, 2HP Ecostar VSP, ProLogic PS-4, GVA actuators
    Cal Pools Wave Force Plus (wall return jets plus 2 floor pop-ups), Venturi Skimmer
    Water sheer, 2 wok pots, bubbler stem on the baja step
    ColorLogic Mutlicolor LED lamp. Taylor 2006+speed stir

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    SpaceBaron's Avatar
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    Feb 2015
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    Pretoria, South Africa
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    Re: Algae Growth - Advice Needed

    Quote Originally Posted by BuckeyeChris View Post
    The only product you need (for now) is bleach, which is liquid chlorine, and a test kit with the FAS/DPD drop test for chlorine. Are you able to get those in Pretoria?
    Pretoria is fairly well stocked with swimming pool stuff. Just about every shop has a selection of stuff, because I have learned that pools in this part of the world is quite a big thing. I have found that you can get just about everything that is available in the US over here as well, although some stuff may be a bit hard to find because people do not know about it.

    I have two types of dry test kits: The one tests for the standard four elements: Ph, Free Chlorine, Total Alkalinity and Stabilizer. The other tests for Free Cholrine, Brommine, Total Chlorine, Alkalinity, Ph, Total Hardness and Cyanuric Acid. Obviously the first test kid with the four tests will not work, but what about the last one? I also have a wet testing kit, but I will need to see what that will test for. I am willing to buy what ever is needed!

    I take it that the test kit is to determine how much bleach is needed?

    Regards,
    70,000 liter (18,500 Gal) In ground Fiber Glass Pool
    9.1 x 6.3 m (30 x 21 ft)
    Salt Water Chlorinator

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    Aug 2014
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    Northern IL
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    Re: Algae Growth - Advice Needed

    It is the FAS-DPD test that you seem to be missing. Google that and see if you can get it. It is worth an extensive search.

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