foreverfaster Site Supporter Apr 30, 2022 #1 the note on the pump says GP series 100 oil. anyone use anything different than gp brand?
T Taytsdad Member May 3, 2022 #2 For the pump I use Mi-T-M pump oil in all my power washers You can get it on line or any Sherwin Williams
For the pump I use Mi-T-M pump oil in all my power washers You can get it on line or any Sherwin Williams
