EnderG60;1030952 wrote: yup just a calcium deposit.
I take mine out once a year and pressure wash them. Ive also heard muratic acid(sp?) works well too.
EnderG60;1030952 wrote: yup just a calcium deposit.
I take mine out once a year and pressure wash them. Ive also heard muratic acid(sp?) works well too.
BulkRate;1030976 wrote: Adding a jug or two of normal, grocery store strength white vinegar to a full mix tank of RODI will also do the trick without quite the MDS-safety sheet overhead.
Sure, it won't be as quick or dramatic as the muratic acid approach, but give it an hour or two with a circulation pump running and you can safely dispose of the batch into the yard/gutter or down the drain.