The silicone sock really shouldn't have that much of an effect in your first layer, at least I've never experienced anything like that. They sell packs of 5 on Amazon for pretty cheap, I bought these and they work great.

Aokin 3D Printer Heater Block Silicone Sock, MK7 MK8 MK9 Silicone Sock Cover for Creality Ender 3, Ender 3 Pro, Ender 5, Ender 5 Pro, CR-10/10S, Anet A8, MK7/8/9 Hotend, Blue, 3 Pcs https://www.amazon.com/dp/B07RM8TG25/ref=cm_sw_r_awdo_8B3WHZ4WTQXY768GGX8N