help! i started using the cheap blue marine grease on my bikes this past year to save money, but also under the assumption that it's just not worth it to buy the expensive phil wood grease i'd been using because "grease is grease".

i installed a seat post on my single speed a few months ago. i was confused to find out the post was seized today, considering i'd coated it with this marine grease. deciding to try using PB blaster to soak in the frame over night, i decided to remove the bottom bracket (shimano cartridge BB) and now that is seized and was ALSO installed only a few months ago with grease applied to the drive side.

granted the single speed is my work horse and usually ridden in wet weather instead of my nicer road bike, so it does spend more time in the rain, but could it be the grease is responsible for this? or is it coincidence?

I used the marine grease to overhaul the BB on my road bike recently. should i disassemble, clean it out and do it over with a higher quality grease? i'm scared now!

help!