Is Pestell pine/cedar shavings good for bunnies and guinea pigs ?

The possibilities are endless!

https://www.google.com/search?q=guinea+pig+enclosure+ideas

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How old was she? Going past her due date by a week may not have been the cause (I had a female that delivered two weeks late!), but without a veterinarian doing a post-mortem exam, there's really no way to know. Guinea pigs are very good at hiding health problems until they are critical, so there's a possibility she could have developed ketosis without showing it.

It's better to use shampoos which are designed specifically for guinea pigs. After all, human shampoos differ and differ significantly and that's why it's quite hard to give a versatile answer. The same goes for food. It's better to use well-designed feed. Yeap, some products like bananas can be given to your guinea pigs but there are some aspects you should pay your attention to.

You can put a piece of clear plexiglass to divide the cage in two. They can still see each other but with no shinanagans

With proper care, a guinea pig can live six to eight years. Google "guinea lynx" for one of the best sources of health and care info.

https://guineahub.com/guinea-pig-cage-size-chart/

You can do the math.

if he is still alive he has survived
go google and type in-- suitable food for guinea pigs and next search -- foods that are toxic to guinea pigs
the findings will shock you in that what you have been feeding may be responsible for gastric upsets, mood changes , lack of energy

Silkie Guinea pigs

Some of the best types of substrates for a boa are paper towel, newspaper, pine shavings, wood chips and bark mulch. I would avoid using cedar shavings though as they can cause skin blisters.

The base of the vacuum needs to come apart. You will need the service manual if this is not a common task for you. It may be possible to reach the vacuum hole if the roller is removed.
The service manual is here:
http://www.hoover.com/shop/searchresults.aspx?itemid=220964&filters=