2 Micron Stainless Steel Diffusion Stone/Air Stone

Use this 2 micron stone with an oxygen source or an aeration pump to provide your yeast with oxygen pre-fermentation. CLEANING: This stone can be sanitised in boiling water and cleaned in a non-rinse sanitiser while running CO2 or air through the stone. If the pores in the stone get blocked from handling give a 10 second dip in hydrocloric acid before rinsing with water.