Just wondering one thing...doesnt having a substrate help with the growth of the benificial bacteria that tanks need? I had a barebottom tank for about two weeks, but that was because I was waiting to decide what decorations and background I wanted. I had four small fish in there to help the tank cycle but then I was told that the tank would cycle faster and better if I had some sort of substrate in there. I would also have to agree that with a barebottom tank, every single time a fish would create waste, it would be immediately visable.
My thinking as to what a fish tank should be is that it is something created to not only keep fish in, but also to look at. So, I think a barebottom tank would just detract from the fish. Also, isn't it not important to keep fish in an environment which is at least somewhat stimulating? I mean, think about it, keeping a fish in a tank with nothing in it would be equal to keeping you in a prison cell! I dont mean to be really judgemental here, but you are not keeping pictures of fish, you are keeping living things. Put yourself into the fish's shoes (pardon the expression) for a minute and THEN decorate your tank the way you want. If you dont have time to clean up some gravel once a week, then maybe you should collect art instead.
Substrate does little for the growth of nitrifying bacteria unless you have an ugf. The majority of your nitrifying bacteria are contained in the filter media. I’ve siphoned gravel out of a fully stocked mature tank, leaving it bare, with no ammo or nitrite spike.
If every piece of debris is visible on the bottom of a tank, you have a circulation and/or a filtration problem. This will do unnoticed in a tank with gravel. Powerheads are a great thing for bare tanks. Drop one on the bottom, and let your filter do its thing.
If you’ve ever seen fish being judged at a show, you will see nothing but fish. There are no plants, no driftwood, no substrate, nothing, just water, fish, and necessary equipment for the well being of the fish. The reason is that decorations detract from viewing the fish, not enhance it.
If you really cared about your fish being in a more natural environment, you would pack them up, and send them back to South America, Africa, or wherever they originated from. That would be their most natural environment. I’m sure they will appreciate the native diseases, as well as the stress from aquatic & land borne predators. The lack of food will also help to cull the weak.
Once again, keeping a bare tank doesn’t necessarily mean keeping nothing in it. If you check the link I posted previously, you will see bare tanks with plants, driftwood, a couple rocks, PVC, all sorts of things. These things are there to provide a little stimulation, make certain fish feel more comfortable, and to make the tanks a little easier on the eyes. They are not there to make my wallet lighter; they are there for the benefit of the fish.
Like I stated before, I have a 55 with substrate next to a bare 55. They are stocked about the same, the bare tank has produced several pairs of angels, the one with gravel has just recently produced one pair. Unless you have taken the time to set up a couple of tanks to do a comparison, you never will know. If you don’t have the time to do such a comparison, perhaps you should turn off the computer & get such a setup going instead of lipping off about art.
