Hi, Has anyone experienced this or have an explanation i'm kind of puzzled. About 6 months ago i had a pool guy and he never checked the ph. i checked it one day and fired him on the spot. 10 boxed on 20 mule team borax later and the ph is back to normal. since then I havent had to adjust the ph at all. I also stopped using the pucks and switched to bleach since then. here is the puzzling part my kids were playing with the net trying to get their tou out of the deep end and left the pole in the water, about a week later i went out and pulled it out and noticed little white clumps building up on the portion of the pole that was in the water. I rubbed one off and it looked like a small drop of dried up borax. Have any of you experienced this? or have any explanation what it could be?