Real easy question. How often do you replace your plastic deli cups that are used in bins with cup holders? I use FreedomBreeder bins and every shed I disinfect the deli cups I use for the water dish but just wondering how often to completely replace them?
Thanks
If you clean them out with soap and water and give them a scrub with white vinegar once a week then they should last until there is physical damage i.e. a crack in the plastic.
Plastic bottles will last around 450 years as a example.
Thank you. Do you dilute the white vinegar at?
I personally just soak a sponge with it undiluted and give them a good scrub and then rinse them out with warm water and leave them to dry.
If I needed it dry and ready to use straight away then I would. ¼ vinegar/ ¾ water.
A friend of mine works in a warehouse that stock takeaways so he was able to get me a full box of them with lids. If your ever stuck to find them of a certain size ask at a takeaway. 
As a heads up though, avoid using vinegar anywhere you would mind smelling like vinegar. 
I replace mine about every 2 month or so. But I clean the cups every week but I dont use vinegar like @eaglereptiles but ill give that a go and try it.
I run mine through the top rack of my dishwasher about every 3 to 4 weeks. LOL the dishwasher is also good for plastic hides.
Good idea!
Thanks Nathan!