Dirt Substrate Capped With Sand - Compacted? - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 04-17-2013, 05:23 PM Thread Starter
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Dirt Substrate Capped With Sand - Compacted?

My tank has been up and running for 3 or 4 months now with moderate success. A link to the journal is in my signature.

This thread (https://www.plantedtank.net/forums/sh...d.php?t=220729) explains my initial concerns about having anoxic MGOCPM from having it soak in water for too long.

My main reason for concern is that my Vals are not growing very well, and recently my Wisteria came loose from the substrate and had a black bottom with no roots. Also, some of the Vals have become uprooted and also have black roots/bottoms.

What is confusing is that my Crypts and Swords are all doing fine.

I have tried "aerating" the soil using a straw. Any other ideas on what could be causing the poor growth and black roots of some of my plants?

I do have more substrate than is recommended, it is probably around 4 inches total, 2 dirt, 2 sand.


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post #2 of 5 (permalink) Old 04-17-2013, 07:13 PM
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When planting the vals - how deep did you plant them?
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post #3 of 5 (permalink) Old 04-18-2013, 01:44 AM Thread Starter
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Not too deep. I even posted pics on the forum somewhere to make sure I had done it right.

The Vals do have lots of healthy runners. Slow growing, but green. I haven't pulled one of them up to see if the roots are dark because I don't want to disturb them.


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post #4 of 5 (permalink) Old 04-18-2013, 01:45 AM
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My one and only attempt with a dirt tank did exactly the same thing. I'll be watching this thread closely as I am planning on trying it again soon. I thought maybe my problem was that I used Miracle Grow Organic Garden Soil instead of Miracle Grow Organic Choice Potting Mix. I also soaked it for about a week, skimming off all the floaters before using it. Mine was also a little deeper because I have a couple of large onion plants but not quite 4 inches.
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post #5 of 5 (permalink) Old 04-18-2013, 02:03 AM
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Take a layer of sand off.
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