I currently leave a laying bin in with my females that contains a mixture of playsand and the red & white bag organic topsoil ($1.97) that you see at every lowes & home depot. I learned this true and tried method from here & know its fertility rate. My question(s) are: when to replace the soil...
As usual if you use these methods give me some credit. A job at the zoo would be sufficient. Ask permission before reusing the pics.
Here is one of my baby cages. You all have seen this before. DIY on my blog:
Here is a whole rack of them. Count 'em. You can see the brown mist hoses running...