BioGuard Banish is our most popular liquid algaecide because nothing does a better job at protecting your pool from algae growth. It is a weekly algaecide that prevents algae, like a vitamin that boosts the pool’s immune system. At Lakeshore Pools, it is our best tool for preventing and eliminating all forms of algae in any pool including salt pools. Keep one step ahead and Banish algae forever!
Available size: 946mL
How to Use Banish Weekly:
- The first dose for a pool with no visible algae is 100mL of Banish for every 10,000L of pool water. Dilute product in 4L of water before adding it to the pool.
- Every week after, add 20mL for every 10,000L of pool water. Remember to dilute product before adding it.
DO NOT APPLY BANISH WHEN SWIMMERS ARE IN THE POOL
Wait 15 minutes after applying Banish to go swimming
Tips for Using Banish
- It’s unique formula means that it can be added even when the chlorine is high
- The bottle has measuring marks on the side to make for easy application
- This algaecide works best when there is a regular level of chlorine in the pool. Use SilkGuard Sticks, Smart SilkGuard Sticks or a Salt System to maintain your chlorine.
- Smart Shock is a good non-chlorine weekly shock product to use with Banish, since Smart Shock helps strengthen it’s effects.