Yellow pool algae can be very stubborn and hard to keep out. Here are 5 items that we constantly battle to prevent yellow pool algaeWarm water, pool covers, and/or high useHigh pH and alkalinityDirty pool filter/bad parts insideHigh pool conditionerHigh phosphates1. Yellow Pool Algae Loves Warm Water, Pool Covers, and/or High UseIn our experience, the easiest way to invite yellow pool algae is to not add enough…