SHELL cleaner instructions:

Spray product generously over area to be cleaned. Wipe off with a soft cloth.

For tough stains or scum, allow product to stand for one minute and use a non-abrasive pad or sponge to remove.

It is not necessary to drain pool or spa to use this product. This product will not affect water chemistry.

For a safe  and non-toxic spa experience, use the ecoone® line of spa treatment products to reduce you need for harmful chemicals and “simplify your spa...naturally”.