For 3 years, I've used Reptile Prime and Reptichip. Reptile Prime I tried out because I was able to pickup 5 bags for a really good price. Reptichip has bigger chunks. I like both and never had mold issues. I have a Mexican black king and a ball python. Between the 2, I like Reptile Prime better, but it's a little more expensive than necessary for me to buy.

I just now purchased Prococo Cocochip and 5 blocks of the Freedom Breeder Coco Blox. I like to try different things, and the prices were decent on them. Hopefully they will be good too.

With the Reptile Prime and the Reptichip, it has a nice smell, a natural earth smell. And, of course, holds humidity much better.

I don't think this directly answers your question, but it's my opinion on the stuff I've used.

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