JulianR Posted May 21, 2022 Report Share Posted May 21, 2022 My son accidentally dumped two large bags of fine powder “Alkinlinity Increaser” in our spa. It left a thick white covering over everything. The jets wouldn’t turn well. It was awful. The filter was was caked in the filter creases with white milky goo. I drained it,cleaned everything and wiped it down well, removed all the jets and cleaned them, changed the filters, etc.. I then refilled it, ran a spa flush for 24 hours, drained it, wiped down and cleaned everything again. I just refilled it, tested the water and it looked clear enough. I added appropriate chemicals to balance. Looked clear. Sat in it and it was covered in the thin white dust! I wiped it down while in it and then the filtered filled with white goo and the water is cloudy, jets are covered and hard to turn! please help - anyone have any ideas on how to get this stuff completely out?? Quote Link to comment Share on other sites More sharing options...
Cusser Posted May 21, 2022 Report Share Posted May 21, 2022 What is the chemical composition of this “Alkinlinity Increaser”? The container should say, or look it up online, like manufacturer's SDS documents. Likely is sodium bicarbonate or sodium carbonate.... Quote Link to comment Share on other sites More sharing options...
JulianR Posted May 21, 2022 Author Report Share Posted May 21, 2022 @Cusser it is 100% sodium hydrogen carbonate. Quote Link to comment Share on other sites More sharing options...
Cusser Posted May 22, 2022 Report Share Posted May 22, 2022 22 hours ago, JulianR said: @Cusser it is 100% sodium hydrogen carbonate. That's baking soda, identical to Arm & Hammer baking soda at Walmart, etc. Your white precipitate is likely insoluble calcium carbonate, like a hard water deposit. That will not readily dissolve.... 1 Quote Link to comment Share on other sites More sharing options...
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