<p>Stain Drop No 3 Removes Copper and Scale from Pool Surfaces</p>

<p>Stain Drop 5 pound No2 Removes Copper and Scale From Pool Surfaces.</p>

<p>Stain Drop No1 Removes Iron and Scale from Pool Surface</p>

<p>Stain Drop All Purpose Metal Stain Scale Remover, Prventer. Ideal for Pool Openings.</p> <p>Proteam/Haviland C005509-CS20Q</p>