I've never had much luck with the goo on these small pneumatic tires.
Then again, I've never had too much luck with these small pneumatic tires.
I absolutely hate these cheap chinese things.
So I'll thow out yet another opinion- If I were in HF, I would look into replacing both those tires with solid wheels!
There is nothing worse than sitting a heavy appliance on a hand cart and realizing that one wheel is low on pressure.