Please let me know what you think. I've been working on this for a few months now and am 90% complete.
You can see that big hole in the back and the hose running down that is supposed to be a water fall but changed my plan at the last minute and am rethinking what to do there. I was thinking of getting a hollow piece of bamboo and running the water through it and letting it fall into the hole in the false bottom.
This is for a small red eared slider. He has about 8 inches of water and can then climb up on the land. I know he will outgrow this but when he does I think it will be a cool set up for some firebelly toads and some fish.
I started with a 40 gal hex tank that was so scratched I wondered if I should even use it.
I covered the top half with silicone and GS and also siliconed in some brackets to hold up my false bottom.
I then created my false bottom using eggcrate, hot glue, and silicone. After I had the general shape I wanted I covered the platform with GS to be carved later.
This is after the carving to get a rock look.
Using a fake rock technique I covered the GS with thin set concrete several thin layers. After letting it cure I then painted it to give it a more realistic look. I siliconed the false bottom to the brackets and covered all the GS with silicone and then peat. Forgot to take photos during these steps. I drilled the tank (which I soon discovered was 1/2 inch glass) and set up a drain sump filtration system with the return being a waterfall.(not yet finished)
So here is the almost finished product.

Here are some of the plants close up. Thought I'd try out some carnivorous plants. Got a venus fly trap and a octopus plant. We'll see how those work out.
I'm still trying to figure out what to plant on the walls if you have any suggestions please let me know. Or if you have a suggestion about a drip wall or similar.