I agree with Diane as far as them blowing out all the time (I went thru 3 ZooMed PS in a year's time) and they are very strong. I used for the last year with Luna and wonder if it may have exacerbated some of her troubles.
Just wondering...any reason why you don't want to use the 5.0?
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Chameleon Help & Resource Info
0.1 Veiled Chameleon - Luna. She's now hanging from her big jungle gym in the sky
1.0 Beardie - Darwin
0.2 felines - Kyndra and Lita
0.1 African Clawed Frog - Skipper
0.1 Mad. Hissers and she is on the loose!
0.1 Chilean Rose Hair Tarantula - Rosa Leigh
0.1 Goliath Bird-Eater Tarantula - Natasha
?.? Pinktoe Tarantula - no name yet