Step 4: Adjust the Chemicals

Cleaning the pool
Photo: Craig Raine
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• Test and correct pool chemistry weekly. Adjust pH first—with muriatic acid if it's above 7.6 or with soda ash product if it's under 7.4.

• If the chlorine is below 1 part per million (ppm) or alkalinity is less than 90 ppm, "shock" the water: Dissolve chlorine and/or alkalinity increaser (baking soda works in a pinch) in a bucket of water and toss in.

TIP: Opt for lithium-based chlorine, which dissolves easily, leaves no residue, and won't jar pH.
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    Tools List

    • Pool Vac
      Pool Vacuum w/ Nylon Brush Extension
      for removing algae around the pool
    • scrub brush
      Scrub Brush
      for removing algae on concrete

    Shopping List

    1. CHLORINE

    2. MURIATIC ACID

    3. SODA ASH

    4. DIATOMACEOUS EARTH