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Journal Low tech nano for Caridina shrimp

Joined
Feb 20, 2026
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Location
Amsterdam
Hi all,

Recently I planted my 17L low tech nano. This is the second tank that I have, so I'm a bit anxious but I hope to learn a lot (from you too!).

Specs:
Soil: ADA Amazonia V2 (with Bacter 100) + La plata sand
Stones: WIO Titan stone
Filter: Oase filtosmart 100 thermo
Light: Chihiros CII RGB
Fertilizer: roottabs with NKP, none in watercolumn
Water: RO with Glasgarten GH+ (GH~6)

Plants (all in vitro):
Anubias mini coin
Buce kedagang
Buce needle leaf
Buce pygmaea
Crypt parva
Lileaopsis brasiliensis
Marsilea hirsuta
Monte carlo

Start up:
One month dark start with 2 weeks of large water changes followed by 2 weeks of no WC.
After plants were planted I did a 90% WC. Light is currently on R20, G20, B17 for 6 hours. I will continue with 50% WC 3 times a week coming weeks. TDS is stable around 130ppm.

The par layout with current setting are visualized in the drawing below, the height difference is quite challenging. MC receives par around 100, crypt and lileaopsis around 30-50 par. Anubias and Buce targeted between 20-30 par.
IMG20260221110411~2.webp
IMG20260222134900.webp
IMG-20260222-WA0001.webp
The wood is there for biofilm, not for aesthetics, so maybe I will remove it of keep smaller pieces of it since I noticed it makes cleaning more difficult.

I would love to hear your opinions and feedback, as I am highly inspired by aquascaping (my 35L is a high tech tank to practice on). Would you do anything different with this nano tank (fertilization, light etc)? I'm tempted to add potassium in the watercolumn. Also, does someone have experience with keeping clithon snails in KH<1?
 

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