ckk125;2502863; said:honestly, i prefer clowns to be kept in tanks with substrate..unfortunately, with my large clowns and arowana, it is quite hard to maintain the water quality..it gets bad pretty fast..and that is why im not using substrate anymore.
If possible, use the substrate, but if it is too difficult, forget it. i rather have a few clowns looking weird than to have them experiencing ammonia poisoning.
Thats the reason why I went with a baretank. I'm only home on the weekend and its so much easier to clean. My loaches seems happy.