How to avoid air bubbles clogging my oil intake hole?

I have seen several posts about capping procedures and to make sure to cap after 20 seconds but I am still having major air bubble issues clogging my oil intake hole. After the first few initial drags the air bubble covers the oil intake hole then as I keep dragging the bubble floats up but another one forms behind it.

I am using 90% distill then adding 13% true terpene terps.

Using SC1+ cartridge from Ygreen

Use cheap carts and get bad results.

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do you upside down the cartridge after you filled the oil? Maybe you can try ours cartridge.

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I haven’t tried turning it upside down yet but a friend just told me about that.

Will try that tomorrow, thanks!