deposits

Hi all, I'm starting a new hot tub after we got rid of the old one more than a year ago. I do have basic understanding of water chemistry, but I'd still consider myself a beginner. I'm trying to understand what could I have done wrong to end up with white deposit on our brand new FG pool after...

I'm sure this question has been asked multiple times, but I can't seem to find an answer in the searches. I have a newly installed vinyl pool and at the same time converted to a SWG system. I am noticing salt (calcium) deposits in the corners of the walls and floor. It brushes up easily, but my...