They are heavy and hard. They are supposed to be Koh Samui SS. First time growing ever #2 Open full-size image [3000 x 4000 pixels] Shroomok's choice on Amazon Plastic Syringe for Liquid culture or sp... Organic Garden Gypsum Calcium Sulfate, 5... Foam King Pipe Insulation for 1/2 inch c... Sterilized Rye Berry Mushroom Substrate... 3-in-1: CO2, Temperature, Humidity, Tabl... Garden Gypsum Fertilizer, 6-Pound Pressure Canner and Cooker - 23 Qt Life Extension BioActive Complete B-Comp... Lion's Mane Capsules, 30/60/120 caps. ANZESER Magnetic Stirrer Hot Plate, 100-... Stranded Copper Wire 16 AWG 10 ft Seedling Heat Mat Your comment Post comment