Blagdon Affinity 5w Green Water UV Clarifier - 1051309
THIS IS THE UPGRADE YOU WILL NEED FOR THE BLAGDON AFFINITY OCTAGONAL AND HALF MOON POOLS TO GIVE YOU CRYSTAL CLEAR WATER
SIMPLE TO FIT UPGRADE FOR INPOND ALL IN ONE FILTER 1400
the ideal solution to keep crystal clear water during summer months, when direct sunlight may promote algae growth that results in green water.
Please note, although this an official blagdon product, it comes loose and NOT in a box.