Hydrostatic Grease Plate mk2 Designed for Longevity
The Idea is Pure and Simple
As rain water can build up under your poolThe water pressure is trapped under the deepest end the grease plate will rise enough to allow the pressured water to to enter the pool & release the pressure that could lift your pool causing major damage The outside edge of the lid is smeared with grease and lid is filled with concrete or pebble Crete
