Zeolite

Saw this while wondering around in KL 2 days ago.... Seems like it is something my plants will like! LOL.... It is from volcanic lava... wow, sounds fertile to me! Haha..... advantages as written on the package : 1) encourages healthier plant growth 2) increases yield of crops 3) promotes water absorption & retention 4) retains soil nutrients more effectively 5) improves effectiveness of fertilisers 6) maintains long term soil quality... wow... sounds really good hor.