once a year to ensure safety, realiability, and effeciency.
A hamster cage should be cleaned weekly.
A horses stall should be cleaned every day.
You should not have to. If you do it means you have a problem.
It has to be cleaned every so often, mainly if you can see that it is dirty than you should clean it. And it really should be cleaned every 4-5 weeks.
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every day
It must be cleaned daily.
Internal STEAM yearly Hydronics not to often depending on water treatment
Draperies should generally be cleaned one or two times a year.
Every day
A stall should be cleaned twice a day or more and it has the most manure right after feeding
This trim kit is fairly resistant to average scuff marks and should not have to be cleaned exceedingly often.