HydroponicGarden.net Water Heater http://www.hydroponicgarden.net/ Wed, 8 Sep 2010 19:00:25 -0500 en This heavy duty water heater will keep your mushroom growing environment at the exact temperature you want it. The heater has an adjustable temperature gauge from 68-90F. Unit heats 15 - 100 gallons. <LI>A must for any serious mushroom grower! http://www.hydroponicgarden.net/content-product_info/product_id-1195/200_watt_fully_submersible_water_heater.html http://www.hydroponicgarden.net/images/products/submers.jpg http://www.hydroponicgarden.net/content-product_info/product_id-1195/200_watt_fully_submersible_water_heater.html