How often do you completly clean out your tank?

dom418

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Aug 21, 2002
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My tank is 135g and has about 100lbs of lace rock in it. I plan on completly taking out the rocks and siphoning the gravel every 6 months or so. Right now I just clean the front of my gravel and where ever I can reach with the siphon every few weeks. Do any of you with large tanks completly take out everything every time you clean your tanks? It just seems like too much work.
 
I have a 150 gal that I'm taking completely taking apart and redoing. The only reason why I'm doing that is because I'm going for a whole new setup with different fish, decor, & substrate.

Before that I just did a weekly water change with vaccuming the gravel everytime I did it. And since I had 2 cannisters I rotated weeks on them.
 
I dont see why one would want to overhaul a tank just for cleaning purposes. Regular water changes and gravel siphonings are more than enough to keep even a large tank clean. Besides, that much disturbance is not good for the stability of a tank.
 
Never ever do I pull apart a whole tank just to clean it, you're just making a lot of work for yourself thats not needed if you're doing regular water changes and the filters are cleaned out periodically, and you will be losing a lot if not all the beneficial bacteria that has built up over time. I find tanks do best without all that much fussing over them, I mean unless nitrites or nitrate levels are up or the fish are looking unhealthy, whats the point, the tank will just have to re-cycle and the fish will probably be more harmed from that than anything, and will stress from the sudden change in chemistry etc.
 
Red - I see a little bit of misinformation in your post... please don't take offense to what I'm gonna say. As far as I can tell, "completely" cleaning out your tank doesn't mean taking everything out and scrubbing it. From what I understand, dom418 just wants to know if we bother moving rocks around to get at gravel that hasn't been vaccumed. Regular gravel vacs will not destroy your bacterial colonies. Trust me on this one... once the colonies are established, they are extremely difficult to remove by physical means. Take a look at fluidized bed filters. Basically a continuous dust storm contained in a tube. Bacteria has no problems clinging onto the sand particles in there. Before I got into cichlids I used to do complete gravel vacs once a week on my tanks. I never had problems with mini-cycles occuring. Many ppl here will also tell you that they gravel vac as much as they can. On top of that, if your tank has good filtration, most of your bacterial colonies will resign in your filter(s). So even killing part of your bacterial colony in your substrate/decor won't hurt your tank. One more thing, in an established tank, you should never ever see nitrites present in the water. That means either your biological filters have crashed, you dumped a load of food in your tank (in which case ammonia would be present as well), you put too many fish in there all at once, a combination of all of the above, etc. etc..

Now that I have a Lake Malawi tank (with tons of rock work) I usually only vacuum the gravel that I can easily access. Every once in awhile if I have loads of time and am not feeling particularly lazy, I'll take apart some of the rockwork to vacuum up the gravel there. Needless to say, I'm somewhat of a lazy person, so I don't do it often.

HTH
-Richer
 
I'm with most of the ppl who say that they simply do water changes and vacuuming, and not totally cleaning out the tank. The hard to reach areas in my tank usually have plants in them, so they take care of the unvacuumed areas as fertilizer.

My main concern with moving rocks out of the tank for cleaning is with the fish freaking out when you take out their caves and hiding places. I might move out a small rock or two, but I keep the bigger rocks/driftwood where they are.
 
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