Thank you Grandad
What I meant was closing the vent at the time of refilling and removing the closure after refilling. What is the purpose or advantage of doing this
Max
I am very new to this forum. I have been reading through these for the last one week and found very usefull.
I have a question about refilling BCI-6 cart. In some place it is said that tape the air vent to completely close it and in another place itis said drill a hole above the sponge area and...