Why Is This Koi Pond Covered in Foam 😳

This koi pond suddenly became covered in foam after the filter cleaning. 🐟💦 The koi are still swimming underneath, but what do you think caused all this foam? Would you leave it running or check the filter again? Follow for more koi pond cleaning, filtration and satisfying water transformation videos. #KoiKoiPondPondCleaningPondMaintenanceKoiFishFishPondPondFilterSatisfyingOddlySatisfyingWaterFeatureAquaticLife