I have to say I am loving the glue stick. I am printing using PLA and used to have a terrible time removing the prints from the plate on my Prusa… usually damaging the plate after a few prints.
I am also using it on the corner of the sheet for the filament alignment prints 
and even that is now easy to remove
Just have one question - should i apply glue before every print ? or after after a few prints ? is there a general rule of thumb here on what works best ?
Congrats and here I assume “Cool Plate” - if so, then yes glue it up, thats what its meant for.
A thin smear is all you need in the job area and the calibration front and side\back lines.
Essentially, whilst some will argue to applys some “Stickyness” - its more about a “release agent” to ensure you dont do exaclty that and tear up your plate.
If I am doing a BIG\IMPORTANT job, then I apply glue (lightly)- in basically long strokes across the whole plate.
If I am doing a small job, that I know is in the middle of the plate, I will just do that area… (and the calibration line areas).
Re-applying - Yes, I do it every time - just to protect the plate. See above for how much\where.
Washing plate - Every 2-3 prints or when the glue is visibly messy on the plate.
I wash the entire plate in warm soapy water (Dawn\Fariy\whatever detergent you have to get rid of oils) - then I apply glue stick across the whole plate basically.
There are other schools of thought too…
In b4 others, you wont regret getting some other plates eventually and will drop glue entirely.
If you staying Bambu branded - I have now own them all and my order of use is
If your going after market, there are plenty of Options that all work really well the PEI , H1H etc - Wham Bam etc etc, google will find plenty.
Good luck!
great thanks for the detailed breakdown - will get a few extra plates and try them out as well…
I am looking for smooth finishes on my bases - will the hot plate work with PLA as well ? the glue does give my prints a slightly uneven base but i think i can wash it off the model right…
where do you get your glue? personally I do a couple of prints before re-applying glue, but I’ve noticed it can depend on the company I get the glue from (I change depending on whats on sale at the time I need it).
I also clean the plate often because the glue buildup will mess up your first layer, and subsequently the following layers (usually just a weird pattern, but depending on what you’re printing thats enough to mess it up!)
hope that helps
I either reorder just bambu , or I use Elmers purple… and spray of water (what ??)
Elmers\school kid glue I just buy locally at my shops\department store, school supplies etc
So this
https://www.amazon.com/Elmers-Disappearing-Purple-School-E520/dp/B001G9EBG8
a) its purple and easy to see (and goes back to purple when wet)
b) its in a “big” stick format, so less effort to apply unnlike those tinn school card sticks
c) sometimes it seems to “Stick” ttoo much , so I just “wet” it and the job washes off easily.
Elmers Note
However
2) I mostly just wash the whole plate and reapply…
3) Elmers I do very very lightly, its very sticky
Get 3dlac instead of glue. Uses very little, lasts for ages and is good for everything, PC, nylon, ASA, ABS etc.
I don’t see the point of using the cool plate if you have to use glue on it just to avoid using the heated bed. Just use a PEI or high temp plate and 60°c
Also to the OP, how did you manage to damage a Prusa plate with PLA? They used the best stock plates IMO.