How does this even work? Vast overstock?

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Catnkit

Gambusia
MFK Member
Jun 8, 2011
270
1
18
Toronto
Hello all, I'd just like some opinions about my community tank... and why it works when it doesn't seem like it should.

The tank is 48x22.5x12.5 on the inside/with the water level where it is. This is about 58 gallons of water. There is roughly 10 gallons worth of rock, gravel and wood in there. That's about 48 gallons of water.

Stock list:
5 Large weather loaches (full-bodied, about 6 inches long)
3 Small weather loaches (skinny and young, about 4-4.5 inches)
8 Kuhli loaches (some are bigger and more full-bodied than other, all are 3-3.5 inches long)
2 Starry-night eels (long and thin, like two BIG kuhlis together. About 6 inches long each).
5 Glass Catfish (about 3 inches long)
7 Cherry Barbs (about 1.5 inches each and fat)
12ish Guppies (ranging from little males to 2" females)
8ish Guppy juuvies (small)
3 Otto Catfish (1.5" each)
1 Tadpole of mysterious origins (body is about 1.5" and tail is another 2". Eating my plants, lil bugger.)

The tank is heavily planted, using pothos externally. It has an AQ 70 and an AQ 30 filter placed on the right and back-left of the tank to promote a tranquil/lazy whirlpool-like flow. I water change ever week to two weeks (rarely two), usually about 1.5 weeks.

I have had no deaths in this tank for a long time (save one tadpole recently, but probably due to unrelated reasons). My recent water test after a three-day wait from my last water change showed wonderful results in nitrites/rates/ammonia. I've just recently done a very large re-aquascape with no ill-effects, and just got HO lights for it.

* How can such a large stockload be okay with less than 50 gallons of water?
* Is it possible to add more Kuhli loaches and Glasscats safely since there doesn't seem to be any wear on the bioload?
* I seem to have a lot of black brush algae, hair algae, and green algae which I'm trying to fight with waterchanges now, and possibly with excel if I can get some. If my tank is so low-nutrients, why do I have algae in such mass?

Any opinions will be appreciated. :)

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It doesnt sound overstocked to me at all. Most of the loaches that you have have a very small bio-load due to how skinny they are. I bet you could double your stock and still be ok.

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I have.

You have an established tank that runs by itself. You have attained, i believe unwittingly, what most people aim to , due to keeping knowledge, sissy fish that repreedent no bioload, and you do not fiddle too much with your tank, and i guess you feed sparingly.

Fish keeping Nirvana. What i strive for, allthougn my bioload is tons and tons heavier.

The more one messes with one's tanks, the more downhill things go.
 
Lol I think its funny when your reading down someones stock list...you say to your self "overstocked" then you look a picture....thier is no fish lol

Tanks Looks Great!
 
I think you might be able to add a little more to your stock list without doing big regular WC, but not a lot. I would add stock very slowly (like a fish or two and then wait a couple weeks to see how your readings are and let your bacteria and plants adjust as needed to the increased bioload. You're probably getting algae because you leave your lights on for too long every day. You could probably combat the algae easily with a fairly small UV filter since your tank isn't huge.
 
Weirdly enough I do play around with my tanks fairly often. It's gone through two major aquascapes in the last few months. I don't feed sparringly by my standards :)

I'm glad though that it works out, I'd love to add more fishies! Thanks for the comments guys!

(maybe I will consider that sterilizer... but I'm gonna try some SAE first!)
 
Nice looking tank,

True Siamese flying foxes will eat the BBA and help you get it under control, but figure out what water conditions it's thriving on to stop it.

It could be anything from too much dead plant matter to phospahtes in your water supply. I'm no expert, but when I went through BBA battles in my planted tank the wc's made it worst. Because I was not using aged water the undisolved co2 was easily used by the BBA before the plants had a chance to utilize it.

Steve
 
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