Hi, I decided to switch over the Cichlids.
I bought about 80 LBs of rock from a landscape place, bleached it, rinsed it, rinsed it some more, let it soak... rinsed it, etc.

I didn't want to use glue, so I was afraid to stack it really high.

You think this is sufficient for them? There seems to be a decent amount of nooks and crannies, but I see other people's tanks where they have hundreds of pounds of rocks stacked to the top, and wonder if that's completely necessary.

Here's what I have. I also have a few plants that I thought I'd try, maybe they get eaten maybe not.

I kept Cichlids for a short time (went back to Goldies) and from everythig I read as long as there are plenty of hiding places it should be fine. Looks good so far.

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J-Pond
http://j-pond.myminicity.com/

please click on the egg/baby to help it grow:

I did some rearranging, I think it looks a better.
I wish I maybe would have left an opening in the middle, but it's kind of too late now.

That is plenty of rock but might I recommend (sorry to say lol) that you go with slate rock. Cichlids like their caves to have only 1 opening & a bit more flat, also slate can be broken with hammer and chizzle to any shape you would like (much easier to stack also) heres a pic of my 36 bowfront cichlid tank

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20 Gallon, 6 zebra dinos, 4 green tigers, 3 dojo loach's, 2 blue gourami's, 2 GBR's, 2 bristle plecto's, 2 longfin rosybarbs, 1 syno cat, 1 leopard puffer
25 Gallon, 2 clown loach's, 1 yoyo loach, 1 veil angle, 1 royal plecto, 1 female krib.
36 Gallon bowfront, 1 Green Severum, 2 Auratus, 1 Venustus, 1 Acei, 1 Kenyi, 1 Duboisi, 1 Demasoni, 2 other africans I haven't identified, 2 Pictus Cat, 1 Rainbow shark, 3 tertas, 1 Firemouth cichlid

You should be ok with that amount.