Crystal Cube Pool Water Clarifier With Phosphate Remover

True Blue's Pool Water Clarifier With Added Phosphate Remover:

One cube of this amazing clarifier keeps your pool water sparkling clear for weeks. Comes with added Phosphate remover to prevent Algae growth. 

How it Works -

• Binds sub-micron particles so that they can be trapped by the sand filter.
• Crystal cube eliminates sub micron particles including algae spores.
• Increases filter efficiency, so that your pool stays cleaner and crystal clear.
• Improves your chlorine efficiency.
• Place cube in skimmer basket or for leafy areas in pump basket.
• Backwash filter after 24 hours.
• Replace cube when needed approximately every 3 weeks.

Please note: For use in sand filters only.