Overstocked vs filtration

  • We are currently upgrading MFK. thanks! -neo

joeypaul

Feeder Fish
MFK Member
Jan 16, 2013
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Lakeland,Florida
Just looking for some input. I am wondering about filtration vs overcrowding. How bad is overcrowding if filtration is way overboard. Talking turnover of 30x per hour. All parameters are good, and water changes @ 4x a week.

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To justify that sort of regime your stocking levels would have to be ridiculous. 30x turn over is going to rule out any fish that doesn't live in a river rapid type environment. Frequency of water changes is only part of the equation, would also depend on the quantity.

Basically you're asking if the water is ok how many fish can you cram in a tank? And there is no straight answer, some prefer a more natural understocked look, others go for the JDM fish hoarded look. I currently have a 400L tank with 6 Geophagus 4-5" each, 9 4-5" plecs and a few smaller ones, two big angels and a 12" black aro. Big weekly water change, plus a sump and two canisters keeps the water parameters acceptable, the fish are all healthy and seem to be doing alright, but I can;t wait to get them into my 2000L tank as I hate the crowded look.
 
...you can do it? Not sure exactly what you are asking.

Used to be popular a few years back and you can get away with some things you wouldn't expect to see, in terms of mixing.
Reason being, overcrowded tank means territories aren't as easy to establish.

Most go to severe overcrowding, and little to no substrate/bare bottom when doing this approach just for ease of cleaning.

Depends on stock list, definitely doable, have seen some real healthy looking fish in overcrowded tanks.
I don't recommend for anyone just beginning. Still would make sure parameters match up, including tank size as to not stunt a fish.

Also water turnover becomes a question of to what point is it uncomfortable/too rapid. Some fish natural environment is almost stagnant water, others the opposite extreme.
Like I said, depends on what you are raising.
 
Thanks for the help. It is an adolescent Oscar, 4inch ebjd, juvi endlichir, senegal, and 2 inch. Royal pleco, and gold nugget 2 inch. In 65 gallon. I am upgrading to 125 in October or December at latest.

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The filtration is aquaclear 110, penguin 350, Sun sun 304 canister filter, and 9w uv filter.

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Thanks for the help. It is an adolescent Oscar, 4inch ebjd, juvi endlichir, senegal, and 2 inch. Royal pleco, and gold nugget 2 inch. In 65 gallon. I am upgrading to 125 in October or December at latest.

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It'll make a big difference whether you upgrade in october or december with that stock. Try to do it sooner, the oscar will be cramped.
 
Well, if parameter is good then it is up to the fish. Your EBJD will feel the wrath of the Oscar first, then if your polys still resemble French fries when Oscar is of size, then you may not have any over crowding issue for a while, until the royal grows up...


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I found the tighter the requirement of care = the finer the rope you walk... walk to fine a rope and it might break. imo that Oscar is going to be an issue w/ your other stock once it grows up abit. I would plan on splitting the stock down the road not just upgradeing the tank size.
 
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