Its my first post here and contrary to the regular "i've got a problem" post, I thought I'd post an observation and a bad pic of some of the behavior

I moved over to a planted tank and after consultation with the local aquatic group I was turned on to coal slag as a substrate.
Its jet black as you can hopefully see from the pictures. Its actually used as sandblasting material.
I was a little leery of its effect on the loaches and the rubber lip pleco, but after a month, they seem to be ok with it. In fact the dojos seem to love the heck out of it.
I was a little freaked at first when I came home and saw one of the bigger loaches had buried itself face down with half of its body sticking straight up.
I've seen variations on this including completely buried except for his mouth, only a tiny portion of the tail hanging out, and any other variation you can think of.
When I can get a pic I'd like to see if I can get an ID on a botia I picked up. I think its a Botia striata. but I'm not sure.
Its cool to find a place like the loach forum and I'll try not to do all the newbie things

I'll be moving to new digs into about 6 months, so I'm probably going to to be upgrading to a couple tanks from 75-125 depending on what I can find on craigslist...
I've just built two DIY tank stands that worked out pretty good. Still have to put on the finishing wood, but they are steady as a rock.
If I can figure out how to upload pics, I'll post some of the more hilarious ones.
Cheers,
Kevin
tanks:
40 gal glass set up as a warm water
3 Botia striata ( I think )
1 rubber nose pleco
5 Zebra danios
5 long fin zebra danios
1 red tailed shark
29 show acrylic set up as cold water
4 dojo loaches about 4in
5 serpia tetras
1 red tailed shark
1 rubber nose pleco
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