I am just finishing up my pool preparing for the season, and my last step was to raise the calcium level (I just did a drain and refill).
The instructions say not to premix in water, and to cast over pool. I have a dark bottom pool and now there are white/light spots where the calcium carbonate landed. I quickly hit it with the brush, but it did nothing. There was even some that landed on the main returns on the bottom, and they have a white ring on them.
Will this go away? Or did I just permanently etch/stain the pool bottom??
CH=175 (moving it up to 250)