Water systems:
In my main BunnyBarn, I have an automatic system. It has a recirculating pond pump and we are planning to build an insulated cabinet around the reservoir bucket to enclose a space heater to keep the water warm when we have freezing temps. Here is a tutorial Grumpy made on making such a system:
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In my growout area I do not yet have an automatic system. I use two different methods for water according to cage size.
In large cages I use 2 1/2 gallon buckets with brass stem valves:
They are no longer suspended as in the picture because the stress on the plastic was too great and it started tearing. Now they are on the floor of the cages which allows the rabbits to lay next to them when it is hot.
Edited to add:
*Important*
Air needs to be allowed into the bucket otherwise a vacuum will be created and the water flow will stop. I used a 1" paddle bit to drill a hole in the center of the lid. Window screen is hot glued to the underside to prevent insects and debris from getting into the water.
For smaller cages I use crocks with a bottle upended in them so they fill as the rabbits drink:
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Nests:
I use the Sani-Nests from BASS equipment. I like their versatility. When the kits are ready to leave the nest, the front can be opened so they can get in and out easily. Since they are wire, they provide good ventilation in the warm months but can be fully lined with cardboard in the winter.
BASS sells waxed liners for them, but I started out by cutting cardboard to fit and secured it with zip ties. Now I have plastic wallboard (as seen in commercial bathrooms) that is cut to fit. I have different sized panels for the sides so I can have more or less ventilation depending on the time of year. It is durable and easy to clean.
I also have some metal nests purchased used from someone at a show, and an as yet unused wooden box won in a raffle.
Hay racks:
I have temporary racks made from 2" x 4" wire. You can see part of one above the creep feeder in the third picture above. I have also made some from the wire that is cut out to make door openings.
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I designed a rack to minimize waste and contamination, but it is currently in the patent process. I hope to have them available soon.