Say goodbye to pesky algae and hello to crystal clear pool days with HTH Algae Guard Ultra. This powerful formula from DIB Warehouse is your go-to for up to 3 months of algae-free bliss. Dive right into your pool without waiting, thanks to its fast-acting and non-staining properties. Whether your pool battles green, black, or mustard algae, this liquid hero kills and prevents it all, leaving your swimming oasis gleaming. Compatible with all pool types, it pairs perfectly with HTH shock products for the ultimate pool care experience.