01-24-2008, 10:50 PM
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Let me expand it even further. Let's just see how far we can stretch it. lol
I like using the finer gravel in my planted tanks. I also use reverse flow filtration. By running the water in reverse flow via my ugf(yes, I still use them), I am able to reduce compaction of the substrate, provide clean oxygenated water to my bio-bed, and add another filter to the system.
The plants are able to "root" easier in the finer gravel. This allows for a more expansive root system and healthier plants. Plants are like a building, if the foundation is bad(ie., the root system) failure is assured.
I also add flourite or laterite to the gravel at a 2:1 or 3:1 ratio, laterite/flourite to gravel.