Sera Nano LED Cube 16l (4.2g) - The Planted Tank Forum
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post #1 of 5 (permalink) Old 08-17-2018, 09:31 AM Thread Starter
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Sera Nano LED Cube 16l (4.2g)

Hi all, I'd like to share with you my Planted Nano Tank, particularly Sera Nano LED Cube 16 set. I switched to it from a nano bowl - not because it failed, but unfortunately its shape is quite impractical. I had a few criteria, which were quite hard to fulfill - small size, tank cover which allows emersed growth and hidden filtration/water pump. In Europe there are probably only two companies which produce such tanks (Fluval and Sera), and only one is available in my country.. You can guess which one. Next time I might go with a custom built tank..

Being a Walstad tank, filtration is not really needed, but I like to have a "backup". Same applies to the heater. So far I found only two drawbacks of this tank - stronger flow from the spray bar. It was extremely easy to fix though - I turned spray bar towards the glass. Second one is bundled LED light - it's nice, but output of 280lm is not enough to my liking, so I immediately replaced it with Chihiros and automatic sunrise/sunset controller.

I moved most of the inhabitants and plants from the bowl, except dwarf sag which was extremely invasive. I would like to avoid "one plant species tank". Hopefully my selection is right this time

Details for anyone interested:
Fast growers:
- Bacopa caroliniana - emersed
- Hygrophila polysperma, difformis
- Weeping, stringy moss
- Hydrocotyle leucocephala (Brazilian pennywort) - emersed
- Hydrocotyle tripartita ("Japan")
- Echinodorus tenellus (Pygmy chain sword)
- Echinodorus Quadricostatus

- Lemnoideae (Duckweed) - in the process of removal (they don't call it "herpes" for nothing )
- Salvinia natans
- Phyllanthus fluitans (Red root floater)
- Pistia stratiotes (Dwarf lettuce) - will be removed once it gets too big
- Limnobium laevigatum (Amazon frogbit) - will be removed once it gets too big

Slow growers:
- Anubias nana
- Anubias nana gold
- Cryptocoryne willisii, indonesii, petchii
- Bucephalandra green wavy
- Microsorum windelov (Lace java fern)

- Neocaridina davidi (red cherry shrimp)
- Malaysian trumpet snail
- Pink ramshorn snail
- small "natural" ramshorn snail
- Tiger teddy (Neoheterandria elegans)

--------------TECHNICAL DETAILS--------------
Light is Chihiros C301 8000K, ~1500lm. Lightning schedule: ~7 hours @ 35%, ~5 hours @ 100%

25W heater ("just in case")

Inbuilt filtration with 3 chambers and total volume of 4 litres, sponge media (first chamber), Sera siporax + Eheim substrate pro + Juwel ceramics (second chamber), 150l/h pump (third chamber). Second chamber is used also for emersed growing plants.

Substrate is potting soil + volcano rock cap.

3D slim background, rock imitation

Couple of pictures and thanks to everyone who got through this lengthy post..

Day 1

Day 2

Mostly planted:

Side view:


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post #2 of 5 (permalink) Old 09-11-2018, 06:29 PM Thread Starter
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Not sure if anyone's interested, but I took a few pictures and a short video during feeding time.

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post #3 of 5 (permalink) Old 09-12-2018, 02:36 AM
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What's that glass feeding bowl called? Looks like a good idea for easy clean up.

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post #4 of 5 (permalink) Old 09-12-2018, 05:37 AM Thread Starter
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"Aquarium Feeding Tube With Dish Suction Tube ", search for this term on eBay. I purchased the shortest version, but it was too long, so I shortened the tube a little and now it fits very nicely. The main benefit for me is that the dish doesn't sit on the substrate, so I can still grow plants there. Cleaning will be easy as well, though shrimp remove all the food and debris from the dish, so there isn't much left to clean by me..
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post #5 of 5 (permalink) Old 09-19-2018, 02:18 PM Thread Starter
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One photo after moss trimming.

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