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Journal 55G Eternal Newbie Planted Tank

Joined
Apr 26, 2026
Messages
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Location
Italy
Hi to all, here is the journal of my single tank that I set up 2 years ago or so. Last February I changed the substrate but I neglected the tank for a month. Fortunately the new substrate and medium-low light prevented the disaster, but I got a lot of BBA on slow growers like Eriocaulon, Anubias and Cryptocoryne.
This is a second hand tank, it was cheap and had a stand included, but it is what it is.

Why "Eternal Newbie"? Because I have been in the hobby for ten years, but I have never reached what I wanted the most: a steadily healthy planted tank with a nice scape. At the beginning my failures were due to bad suggestions, but then because of me: mainly due to my impatience for results and always looking for perfection. Basically, I had short spells of healthy growth interrupted by long periods of chaos in the tank. Because I changed too many things too fast, I never had the chance to understand what was actually effective.

17th April
IMG_20260417_200251963.webp

Tank size: 120x40x52h cm, 47x15,7x20,5h inches

26th April
IMG_20260426_193143698_HDR.webp

Citizens:
22x Black neons (Hyphessobrycon herbertaxelrodi)
7x Otocinclus (I'd like to bring them to 12-15)
1x female Pearl Gourami (Trichoporus leeri)
2x Amano shrimps
I feed the black neons and the pearl gourami well, small doses 2-3 times a day.

5th May
IMG_20260505_190907907_HDR.webp
Plants:
  • Heteranthera zosterifolia
  • Lysimachia parvifolia
  • Ludwigia palustris 'Green' (added two weeks ago, arrived in bad conditions)
  • Staurogyne repens (added two weeks ago, emersed form adapting)
  • Ludwigia sp. "Mini Super Red"
  • Eriocaulon sp. "Vietnam" (BBA on old leaves, bad conditions)
  • Pogostemon deccanensis (it has never grown well but I don't surrender)
  • Lysimachia nummularia
  • Lysimachia nummularia "Aurea"
  • Hygrophila polysperma "Rosanervig"
  • Bacopa salzmannii "Purple" (added two weeks ago, emersed form)
  • Bacopa monnieri "Compact"
  • Bacopa monnieri "Compact White (added two week ago, in vitro, getting GDA or diatoms)
  • Cryptocoryne wendtii "Flamingo" (never grown well, last chance.)
  • Nymphoides sp. "Taiwan" (added two weeks ago, in vitro)
  • Anubias barteri var. nana "Pinto"
  • A big Anubias congensis (probably wrong name by the producer), it was given to me for free but I don't think I have the space for it.
  • Floaters: Limnobium laevigatum, Spirodela polyrhiza, Hydrocotyle leucocephala
  • Hanging pots (still working on them): Gymnocoronis spilanthoides, an unknown plant I took from a lake round here

7th May
IMG_20260507_145615313_HDR.webp

Substrate: Tropica Aquarium soil, 3 months old. I added a lot of MasterLine root caps under it to boost it. Then three weeks ago I tried to add them again, but it's a PITA, so I think I will use only liquid fertilizers.
Light
Week Aqua P1200 Pro V3, 11" above water surface
47% R/ 50% G/ 47% B/ 15% UV
8h + 0,5 h ramp up and 0,5 h ramp down
Filter: Tetra ex 1500 plus
CO2: solenoid valve with timer. The filter uses hoses with strange ID/OD, 22/27 mm or so. I am simply injecting CO2 in the filter because I couldn't find a solution for these hoses... Now I have found a CO2 reactor and a hose that hopefully fit both without restricting the flow too much. Let's see in a couple of weeks.
Mantainance: weekly 75% WC. tap water only until two weeks ago (KH lowered to roughly 2 with a solution of HCl+H2SO4), then 5/8 Tap (with KH still lowered to 2) + 3/8 RO.
My tap water contains (ppm): Ca 50, Mg 18, HCO3- 200, Cl- <2, SO4(2-) 24, K<0,5, Na 1, NO3- 4.
By mixing 5/8 tap with 3/8 RO I should get roughly 32 ppm Ca, 11 pm Mg, KH 1.
I am trying to clean the substrate at every water change, since the black neons poop a lots.

Fertilization with KNO3, K2SO4 (dry dosed), KH2PO4 (dry dosed), MasterLine I, Iron gluconate (dry dosed), MasterLine Carbo

NO3-: 24 ppm (I used to dose 15 ppm until 3 weeks ago); 18 ppm after WC then 6 ppm.
K: 28 ppm, a bit more considering what I say about P.
PO4(3-): I have bought a JBL test and I tested them last week: when I dose 4 ppm I get less than 1 ppm after 48h. The soil is still absorbing a lot of PO4(3-), so I am goin to dose 4 ppm after WC, then 2 ppm everyday.
Fe/Micro: 7,5 ml of MasterLine 1 daily (0,07 ppm Fe) + 0,03 ppm iron gluconate daily (dry dosed)
MasterLine Carbo 7,5 ml daily and after WC. I think to stop it once I run out of it, but it will take me 4-5 months.

11th May (today)
IMG_20260511_204209932_HDR.webp
Algae:
  • GSA on glass and old leaves of Lysimachia parvifolia
  • diatoms (I think) on floaters' roots and Bacopa monnieri 'White'
  • BBA on old leaves of slow growers and recently on glass

Objectives/To do list:
  • be patient
  • be positive and do not focus only on what is not doing well
  • clean the rear and side glass
  • install the CO2 reactor (need to wait)
  • install the Oase skimmer and tidy up the hanging pots and floating plants
  • keep the journal updated!
 
Last edited:
but I got a lot of BBA on slow growers like Eriocaulon, Anubias and Cryptocoryne.
We used to use Seachem Excel to treat BBA . I "assume" Masterline Carbo might be a similar product. I wonder why its not helping. I feel your pain on the Erios. Since part of the remedy of treating algae is trimming, it's hard to trim something that grows so slowly.

Why "Eternal Newbie"? Because I have been in the hobby for ten years, but I have never reached what I wanted the most: a steadily healthy planted tank with a nice scape.
Same here... and for me it's without significant algae. But it seems I'm getting closer all the time. I did much better 20-25 years ago when I had an inert substrate and T-5 fluorescent tubes. Grew plants like crazy with almost no algae.

Objectives/To do list:
  • be patient
  • be positive and do not focus only on what is not doing well
  • clean the rear and side glass
  • install the CO2 reactor (need to wait)
  • install the Oase skimmer and tidy up the hanging pots and floating plants
  • keep the journal updated!
I think having an objective list is great. For me, being patient is so hard. I only have one small tank. So the tendency is to want to have my hands in it all the time. It would do better if I'd dose and walk away. I need two tanks so I don't have so much time to over think.

Also, I agree with Rocco, I love your HZ. I had it years ago and tried it again recently. It grew so fast and my current tank is small. So it was not able to bush out where it looks its best. I ended up tossing it.

Lastly, I love your avatar. It made me think, I want to change mine to Becky from Finding Nemo.
 
Hi, I am sorry about that purple effect of my pics, you can notice it by watching the soil. It's the phone camera, IRL I have set the RGB to get natural colours. I should try another app or the "pro" mode.
Looks great! I love that heteranthera zosterifolia
Also, I agree with Rocco, I love your HZ. I had it years ago and tried it again recently. It grew so fast and my current tank is small. So it was not able to bush out where it looks its best. I ended up tossing it.
Thanks! Well, it's a true weed, as I have already said I tossed it too one year ago for the same reason. It grew back six months later from the substrate, so I gave it another chance and gave her more space. I kept it in a 15G many years ago, without CO2 and low light (6 W LED or so), it didn't grow so big and so fast, definitely more manageable.
There's one thing I don't understand about Heteranthera zosterifolia: especially at the beginning of the photoperiod it has white top leaves, that become greener later. Even Lysimachia nummularia 'Aurea' is a bit pale, then becomes more yellowish. Maybe it's the CO2, I should do the pH test to understand.

We used to use Seachem Excel to treat BBA . I "assume" Masterline Carbo might be a similar product. I wonder why its not helping. I feel your pain on the Erios. Since part of the remedy of treating algae is trimming, it's hard to trim something that grows so slowly.
Yes, it's similar to Excel. It helps with BBA if I spot dose it. But about BBA I think I need to fix the usual things (CO2 swings, organics, flow). I keep on removing old leaves with BBA from Eriocaulon and other plants. They appear again especially on the Erio, while Lysimachia parvifolia is improving.
Anyway, about being positive, I have to say that I had far worse conditions in the past with algae: BBA , BGA, GDA and that damn Spyrogira. I am quite confident to solve it!
I think having an objective list is great. For me, being patient is so hard. I only have one small tank. So the tendency is to want to have my hands in it all the time. It would do better if I'd dose and walk away. I need two tanks so I don't have so much time to over think.
I understand you, and over thinking was one of the things that made me change things continuously 😅 If I had time (and space) I would definitely get one more tank.
Lastly, I love your avatar. It made me think, I want to change mine to Becky from Finding Nemo.
Thanks! Well, I like cats, even more if they are fat.
 

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