7 Tips To Get Rid Of Black Algae

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Black algae, normally found in shady areas of your pool, is one of the most difficult types of algae to get rid of. This is due to its deep roots as well as its multiple layers, allowing black algae to stand up against chlorine quite well. While black algae will not pose a threat to your health, it could indicate that there are other types of bacteria lurking in your pool. Getting rid of black algae, although possible, requires some fairly tough tactics.

Where Does Black Algae Come From?

Algae tends to make an appearance in ideal conditions, including in pools that have not been filtered properly, have high pH levels or have not been sanitized properly.

Here are some tips to get rid of the most stubborn type of algae:

  1. Test Your Pool Levels Twice Weekly.

    Ensure that your pH levels are between 7.4 and 7.6 and that your alkalinity levels are between 120 and 150 ppm to ward off algae. Ensure that other chemicals are also properly balanced.

  2. Sanitize All Pool Related Items.

    This includes washing and drying all bathing suits as well as wiping down pool toys and other equipment with Clorox cleaner.

  3. Begin to Scrub the Black Algae.

    Scrubbing is the only way to tackle black algae in your pool because it strips the algae of its protective layer, leaving it vulnerable to chlorine.

  4. Add an Algaecide to the Pool.

    Ensure the active ingredient has a concentration level of at least 30 per cent.

  5. Triple Shock Your Pool & Scrub Again.

    This step will be one that you do over a period of a week or so. In short, you will shock your pool to quickly raise the level of chlorine in your pool and then scrub away at the algae (you will then repeat these steps). Ensure that you shock your pool at night and leave your filter on 24/7 until the algae is completely gone.

    The first time you shock your pool, an aggressive approach is necessary. Add 3 pounds of shock for every 10,000 gallons of water. .The next day, after shocking your pool for the first time, scrub your pool again a total of three or four times. Continue this same scrubbing for a few days. After three days, shock your pool again (this can be done at a normal level). Scrub your pool for several more days after this second shocking. Even though you might not be able to visibly see the black algae at this point, its roots are likely still hiding in the walls of your pool.

  6. Vaccum.

    This will allow you to get rid of any remaining dead algae that is lingering in your pool.

  7. Keep Your Water Moving.

    Ensuring that your water is circulating around your pool serves two purposes: it will make sure that algae has a more difficult time attaching to the walls of your pool and will also distribute chemicals in a more even manner.

If you would like some help with the upkeep of your pool, Ferrari Pools offers weekly maintenance services and pool inspections from the professionals. We are New England’s #1 choice. Contact us today for more.

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