Quote Originally Posted by The Serpent Merchant View Post
As long as you keep the layer of coco husk to 1/2" thick or less you should be ok to use it in a PVC cage.
X2 I have never had Coco Husk crack a tank and less then 1/2 an inch wont mess with your heat to much I use it with great sucess in my tanks bout 1/4 in or so works great