Have a fiberglass pool owned it for several years. For some reason i am getting spots on floor of pool that look like rust. Only way to get them off is with mna wire brush. Is there any thing I can add to pool to remove these spots? Thanks
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- Last Post 14 January 2019
InyoRob posted this 14 January 2019
We recommend using a product called Extra Strength Stain Free by Natural Chemistry. It's an industrial strength ascorbic acid.