Well they are the 'easiest' hosting nem to take care of, but that doesent make them easy persay.
Nessassary conditions would be great lighting, stable perimeters in a tank thats about 5-6 monrths old at least..
Good flow, and plenty of places to bury its foot in the rockwork
Food.. silverslides are the best, Depending on the size, I feed my smallish one 2 pencil eraser sized defrosted silverslide.. My bigger one (12 inches or so) gets about 3 eraser sized... They also get squirts of mysis or some krill now and then.
How did it go with your condys? If they thrived, you should be fine.
But make sure the bta is at least 3 times bigger than the clown
it WILL walk around. you must cover your intakes with sponges or needle point plastic and zip ties found at your local craft stores