Bioguard – Back Up® (Algaecide for Salt)
One of BioGuard’s most popular algae preventatives. Works well in chlorinated and brominated pools. A powerful surfactant/wetting agent makes Back Up able to work in tiny cracks and crevices where algae start.
- Highly effective algae preventative and algae killer
- Keeps pool water clear and free of visible algae
- Activity increases as water temperature rises (and you need protection the most)
- Will not affect pH levels