I found 3/4 on Amazon it’s done well so far. Silicone Tubing, 3/4" ID x 1" OD - 10 Feet https://www.amazon.com/dp/B079WRWH34/ref=cm_sw_r_cp_api_glt_fabc_DFHA4556W4S3QWZ1PNSD?_encoding=UTF8&psc=1 used 7/8 fittings from Affordable Distillery Equipment, LLC and don’t need hose clamps even with...