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Price: Call
12 x 1 qt. btls/cs
This is BioGuard's most effective algae preventative. 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
- Non-staining
Back up should be used with these BioGuard Care Systems: 3-Step, Once-A-Week 3-Step, and Pool Pods.