12,5 lt low tech planted bowl NO water change

Mertgezer

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Hi all,
I was planning to setup a low maintenance bowl for some time, i already knew what to use and how to scape, finally my wife got a christmas present :) my original plan was to do walstad method but i had a lot of tropica soil which changed my mind. This tank has no CO2, no bottom fertilizer, no fancy led light (simple 12w CFL light) and a tiny powerhead for water circulation. As a plant i used Rot. Rotundifolia, Lindernia Rotundifolia (works submerged and immersed), jawa moss, helantium tennelum (foreground) and val. nana ( veeery slow growth and min. light)
My plan is to do 20% waterchange fir the first 30 days (once every 3 days) and stop changing water for good and letting the nature to do ist “thing”
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1st week
Daily 12 hours of light
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Mertgezer

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1st month. Lightning period increased to 13/14 hrs.
Only vallisneria nana got some algae on the leafs, i reduce lightning to 11hrs no other algae or whatsoever, this was my last waterchange. I got 10 tiny killifish (par. Normani they dont jump) and some shrimps for cleaning the bottom layer.
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After being in the hobby for decades i finally got my tds meter :)

My test results are very stable for now, because it is a no water change tank first 2 months i will test every week, than once a month.
Ph 6.5 / 6.8
Nitrite :0
Nitrate :15/20
Gh. : <7
Kh. : 6
Tds. : between 200 - 300

2,5 months
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3rd month.
No water-change since 60 days, i realized that our cat is using the tank as water source which is a win/win situation, plus the evaporation i believe i add around 2lt weekly. Can be RO water or bottled water, due to parameters.
There is opening on the bottom right corner of the tank but i have an idea.
Tank is full with baby fish and shrimp which is a good sign to my knowledge :)
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Mertgezer

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March 8th
Major trim day, i trim rotala every 2 weeks but now i will trim all plants (apart from vallisneria & jawa moss) especially emerged plants (majority) and 80% of floating plants should go.
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Mertgezer

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mbjr11 said:
Looks nice. Any better pics of the shrimp/fish?
Thanks
Fish are very fast and shy, trying to get but tough.
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Other tank. I believe total 37lt but holding around 25-30lt of water because of the hardscape and sump.
Photo was taken end edited by my better half.
No waterchange for more than 1 year but it has a good (back) sump, seachem matrix in it and a few fish (3 nonastromus marginatus + 4 kuhli loach + 8/10 amano shrimp)
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Mertgezer

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Some pictures from this morning
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Mertgezer

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Some new pictures
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A short video from yesterday
 
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Mertgezer

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kansas said:
what plant is that on the bottom?
Helanthium tenellum “Green” it has many varieties.
 

Magicpenny75

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Pretty amazing! Will you share your feeding/fertilizing schedule or anything you do to it besides trim the plants?
 
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Mertgezer

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Magicpenny75 said:
Pretty amazing! Will you share your feeding/fertilizing schedule or anything you do to it besides trim the plants?
Hi,
I dont feed the shrimp they eat algae or whatever they found over the soil (only when want to see the total population) i gave hikari micro pellets & dennerle calanus to killies, I will move them soon in order to make this tank “no maintenance“. I test the water parameters once a week (sometimes 2) and fertilize with tropica fertilizer only if my nitrates are lower than 10/15. Our cat is using the tank for watersource, so i top up with ro water (1/2 liters per week) together with seachem equilibrium to have a stable GH.

I just wanted to show how good nerite snails when it comes to algae on the plants especially anubias.
I locate the snail on my tank and put it on the leaves gently wait 3/5 seconds and let it hold onto the leave.
This one is my oldest nerite and i believe it will die soon :(
Step 1
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Master at work :)
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The finale
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Mertgezer

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i need help
I have a 12lt lowtech densly planted bowl, my neocaradina population is getting very high and my killifish pack (porophanchax Normani) is not helping me at all, everywhere i look i see shrimp, there is no way i can catch the killipack in the tank to replace for other nano carnivore, besides i like them, what should i do to stop overpopulation of shrimps as natural as possible?
 
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Top of the bowl
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Sauceboat

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Mertgezer said:
i need help
I have a 12lt lowtech densly planted bowl, my neocaradina population is getting very high and my killifish pack (porophanchax Normani) is not helping me at all, everywhere i look i see shrimp, there is no way i can catch the killipack in the tank to replace for other nano carnivore, besides i like them, what should i do to stop overpopulation of shrimps as natural as possible?
I’d give away or sell a large chunk of the shrimps whenever the population gets to large. Bring down the numbers and allow them to rise up again that way. That way your shrimp can keep living and reproducjng without the tank becoming overpopulated.
 

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