Smaller than Pico? --Information Request-- - The Planted Tank Forum
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post #1 of 8 (permalink) Old 03-08-2010, 02:06 AM Thread Starter
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Smaller than Pico? --Information Request--

Everyone has heard about nano tanks and the even smaller pico tanks... but what is recognized as the next size down? Browsing the net I came across an older post about a tiny aquarium that fit into the creaters hand. The article calls it a palm top aquarium.


This tank obviously does not apply to the nano category and is smaller than the pico category. What should the classification be? Following the naming convention in descending order starting with nano we have:


Does anyone have or successfully maintained a tiny planted tank of this size that can share their information? Any feedback regarding substrate, lighting, filtration, plants, set-up and maintenance would be greatly appreciated.

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post #2 of 8 (permalink) Old 03-08-2010, 03:18 AM
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I hope hotlinking is allowed ... all of these images are from


zepto and yocto are REALLY small numbers.
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post #3 of 8 (permalink) Old 03-08-2010, 06:45 AM
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hopefully these will inspire you

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post #4 of 8 (permalink) Old 03-08-2010, 05:15 PM
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its called what ever u wanna call it. i had dwarf hairgrass and hc in a shot glass growing under indirect sunlight for a month before i thought it was a waste of my time. constantly topping off every other hour is not fun and of course pointing out the obvious, these will be short term tanks as filtration will be difficult unless you're really good with daily w/c and maintenance.
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post #5 of 8 (permalink) Old 03-08-2010, 06:23 PM
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i love that one guys tanks, they are all amazing.
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post #6 of 8 (permalink) Old 03-09-2010, 01:25 AM
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'nano' and 'pico' have no clear definition withen the FW hobby, though in general nano is considered 10-15 gallons or under, and pico is generally applied to anything under 5 gallons. So while tiny, those 'tanks' could still be considered picos.

Honestly though, I think calling them tanks is a stretch, I've always thought of things like that to be vases.

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post #7 of 8 (permalink) Old 05-02-2010, 08:03 AM
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Exclamation Pico

I joined to find answers to that question. I have stareted to keep and design filtered aquariums. My 1st is a few months old, 1.5 quarts. Shrimp, plants snails and an anchor cat. My two manufactured are aprox 1/2 quart and 2 onces. Both a couple weeks old. The 1/2 qt has snails plants and shrimp. The 2 oz. Has snail and plants.

the photos have a pen showing size. All three have custom hoods and lighting. The filter is a canister filter. I am making kits to sell. I may give a few away for testing if interested. It would be nice, if intrested you pay shipping and split materials with me?
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post #8 of 8 (permalink) Old 05-03-2010, 07:47 PM
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Silly thread.
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