lids

Does anybody know if an 8 Gallon Counter Culture lid fits an EZ Store (Ropak) bucket? The CC buckets look identical from pictures I see online, maybe even from same manufacturer. I have the EZ buckets and need lids, but the cch2o lids are pre-cut and are way sturdier. Anybody doing this?

When you store pot in glass jars with rubber sealed lids, do u need to replace the lids? I'm just storing it in there, but does the seal wear or become useless after a while of storage?