BIOLOGICAL WET WELL BLOCK e- Blok wet well blocks contain a unique combination of biodegradable surfactants and advanced microbial technology in a solid water soluble wax to provide a slow release mechanism into effluent systems. Designed to effectively break down grease and fats. BIOLOGICAL WET WELL BLOCK » Powerful grease degrader » Advanced microbial technology » Prevents blocked pumps & switches APPLICATIONS Wet wells, Lifting & Pumping Stations, Primary Sewage Collection Tanks. Perfect for the mining and commercial sectors. DIRECTIONS FOR USE Place 1-4 e-Bloks on stainless steel chain kit, into water column of wet well or ef!uent tank, one e-Blok will last approximately 3 months depending on water flow and water turbulence. STORAGE Store in cool area away from direct sunlight. Made in the United Kingdom