My 30g-Low-tech tank

[Arthas]

Hi everyone!
My low-tech planted tank has been set up!
Filter: Top-filter
Substrate: base(Soil+peat moss+coco moss) + top(sand)
Temp:23
No co2 injection
Light : 2*25W-flouercent-10000K
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I hope all of my plants will be adapted in this condition.
If there is any suggestion as how to improve my tank, please let me know.
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pic:

[koaladarshana]

Love those java ferns! What fish are going in that tank?

[j250nyahweh]

Like the rocks a lot. I think a black background would look sweet. Would really make the bright colors in the rocks and plants pop.

[jeffs99dime]

Did you plant your Java Ferns' rhizomes under the substrate? It looks like it from the pic. If you did, the rhizomes and roots will rot. They need to be above the substrate or not covered. Tank looks good btw.