The Planted Tank Forum - View Single Post - Cat litter substrate
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Old 10-18-2012, 06:46 AM   #5
zankotsu
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That's an awesome method. The litter falls apart very easily. I'll scrap it and use something else. Generally, oil absorbent materials win over cat litter?

Quote:
Originally Posted by dmagerl View Post
You need to test whether it will fall apart under water. Just take a small amount and put it in a cup of water and lt it sit for a week. If it turns to mud, dont use it. If it holds it shape and it wont pulverize under finger pressure, its good to go.

I used this technique to add Hi-Dri to my tank. Didnt even wash it.
http://www.youtube.com/watch?v=d-XB0...eature=related
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