Re: [APD] Re: substrate vs the water column

["Richard J. Sexton" <richard at aquaria_net>]

At 12:42 PM 12/22/2004 -0600, you wrote:
>So, if the plants are indifferent to the location of nutrients, 
>then why bother with any sort of fancy substrate at all? 

Aesthetics?

This does explain why plants grow in new tanks with fresh inert silica quartz
aquarium gravel.

The question I have is will they (and again I'm really referring to crypts)
grow better if they ALSO have substrate fertilization.

Isn't that what the clay ball thing is all about?




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