Ultimate Gel Formula Fiberglass Stain Remover, 32 oz.

Gel formula sticks where applied for maximum cling time and cleaning power.
 
Removes yellowing and tough waterline stains

Completely covers stains to penetrate and dissolve them

Specifically formulated to remove the toughest stains, including rust, dried fish blood and leaf stains

Works on all fiberglass and painted surfaces; ideal for vertical surfaces