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Last reply · posted in Fertilizing and Aquarium Chemistry
If anyone wants to know more accurate CO2 concentration in their aquarium, I recommend the Carbon Dioxide Chemical Test Kit [Hanna HI3818] (hannainst.com/hi3818-100-carbon-dioxide-test-kit-reagents-110-tests.html), which should be similarly accurate to the professional CO2 meter OxyGuard (which costs $3,332!) => see 2hraquarist.com/blogs/choosing-co2-why/co2-fine-tuning-3-techniques. I bought one myself and tried it in my last experiment. It costs $33, but it should last for about 110 tests (so $0.3/test). The reagents [if new] last about 5 years.

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11 Replies · 2321 views
Gwad
Last reply · posted in Lounge
Wrapped up my AGA submittal a few weeks ago, and I just can't seem to bring myself to take care of my tank right now 😅 I think I'm experiencing burnout. I go through these cycles where my tank is all I can think about for a few weeks/months, and then I need a break, and I can't bring myself to do my usual water change and trim schedule. The good news is my tank has so much healthy plant mass that algae doesnt grow even after a few weeks of neglect.

Any tips on fighting this tendency? I think my first idea is to slow everything down, lower my nitrate to more of a zero-bound system and try to reduce my stem trimming frequency. My second idea is making my water change easier. Right now the hardest part is siphoning detritus into buckets that I walk to the toilet. After that I pump the tank down the rest of the way. How do you guys do this? I would siphon straight to the toilet but I'm bound to accidently send a shrimp to their doom that way.
43 Replies · 1278 views
Art
Art
Staff member I Donated 2026 Founding Member
Last reply · posted in Media of the Month Forum
This month's theme is: plant, hardscape and fish

This one is going to be tough but I hope some of you take up the challenge. Take a picture that captures a plant, some hardscape and at least one fish in the same picture.

Be as artistic and creative as you like.

The rules:
  • Submissions are allowed between October 7 and October 23.
  • Voting will start on October 23 at 12:01 am Eastern time.
  • Voting will end on October 31 at 11:30 pm Eastern time.
The prize:

A $25 store credit from BurrAqua thanks to @Burr740!
16 Replies · 1163 views
renesis
Last reply · posted in Planted Aquarium Discussion
Hey guys, needing some expert insight on my 90P build regarding the Yugang reactor. I’d like a sanity check on sizing.

System
  • Display: 90 × 45 cm outside, 10 mm glass, so ~88 × 43 cm inside (~3,780 cm²), rimless, lidless.
  • Sump: 20-gallon long (76 × 30 cm, ~2,280 cm²), 3 chambers, loose lid.
  • About 220 L total water.
  • Return enters below the surface; no deliberate surface agitation.
  • BeanAnimal overflow, with the main draining underwater (no cascade).
  • Currently cycling on tap water: KH 13, GH 12. The plan is RO remineralised to KH 3–4.
Reactor
  • Horizontal Yugang, 3" Sch40 PVC (ID 77.9 mm), 46 cm long.
  • Outlet rotated to near the limit of what my plumbing allows, so the pocket is much smaller than half-full.
  • CO₂ flow meter at about 9 mL/min. That’s slightly over what it dissolves, so it gives small occasional burps.

What I measured
  • Plateau: pH 6.80 at KH 13 ~ 60 ppm (pH/KH estimate). Degassed baseline pH at 8.2.
  • Overnight decay after CO₂ off: k ≈ 0.12/h (half-life ~5.7 h). That implies a CO₂ exchange rate of ~4–7 cm/h, i.e. a calm surface.
  • Working the 1/17.7 rule backwards from my reactor area (~180–358 cm² depending on rotation), my effective loss area is ~1,100–2,200 cm², against ~6,060 cm² of real water surface (display + sump).
Am I just way off on my surface agitation? I have mild ripples, but nothing overly agitating, but even without taking the sump into account, I should be seeing way more loss right? I'm planning on keeping neocaridina, so aiming for a 30-40ppm max, but even on my min setting I see ~55-60 ppm.

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View attachment y2.mp4
15 Replies · 192 views
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SkaleyAquatics
Last reply · posted in Journals
Hello Everyone,

So, 2 years ago I attempted my first Dutch aquarium that some of you may remember from various other forums.
It was this 10gal:
Last 10gal shot.jpg
Unfortunately life got busy and this tank became a disaster a few weeks after this picture was shot.

The good news is today starts a new Dutch aquarium. Taking what I learned 2 years ago and hopefully applying more patience this time around for this 40gal:
20240609_143412.jpg

This was literally setup today. And wanted to share my journey navigating the Dutch aquascaping scene.

Equipment:
Tank:
40gal breeder (36in x 18in x 16in)
Light - Fluval 3.0 Planted (Set to 80% for 6 hours with a ramp up and ramp down time of 1 hour total)
Filter - Aquaclear 70
Heater - Eheim Thermocontrol 125 - set to 72F/22C
CO2 - 10lb tank with Co2Art SE Pro regulator with intank diffuser (On 1.5 hours before lights on and off 2 hour before lights off)

Ferts:
Following @Unexpected fert numbers from his tank of the month post as a baseline to start. These are all front loaded besides the Micros:
NO3 30ppm
PO4 10ppm
K 40ppm
Fe .45ppm
Ca 24ppm
Mg 8ppm

pH and pH drop is currently unknown as I have tested it yet but will tomorrow after work to see numbers as the diffuser and check valve came in about an hour before lights on.
I am using a RO/DI unit that I have setup about 5 feet from the aquarium.

Plants:
  1. alternanthera reineckii var. 'roseafolia' TC
  2. bacopa carolina TC
  3. bolbitis heaudelotii difformis TC
  4. cryptocoryne lutea
  5. cryptocoryne Crispatula TC
  6. elocharis montevidensis
  7. hygrophila salicifolia
  8. hygrophila pinnatifida TC
  9. hygrophila lancea araguaia TC
  10. lobelia cardinalis TC
  11. ludwigia repens
  12. ludwigia palustiris
  13. rotala H'ra TC
  14. staurogyne repens TC
I am extremely excited to be able to start up another Dutch aquarium. and am looking forward to this journey. This aquarium is about 10ft from my desk in my mancave of the basement so it will get a lot of viewing from me.
229 Replies · 33829 views
mrmoss
Last reply · posted in Journals
Ive reorganized the order of my tanks so I can better keep track of them ie. Tank 2 moss tank is now tank 3. This helps in any confusion I had when tracking tanks they are in a sort of order now. Rather than taking time editing my old journal id rather create a new thread. Pics will be current (for the most part) as they are posted. I am not aquascaping. I am just farming.
83 Replies · 5265 views
Art
Art
Staff member I Donated 2026 Founding Member
Last reply · posted in Planted Aquarium Discussion
If you've been in the aquarium hobby for a while, I'm sure you've created or picked up so valuable hacks that fall into the tips, tricks and time-savers categories. So, in an effort to compile and share them, let's post them here.

This site is about sharing knowledge and experiences so don't be shy, no hack is too small or silly.

Please post yours.

Seth Meyers Tips GIF by Late Night with Seth Meyers
82 Replies · 10456 views
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Art
Art
Staff member I Donated 2026 Founding Member
Last reply · posted in Forum News/Feedback
This is the future home for the announcements when someone obtains an achievement badge. Let the games begin!
2054 Replies · 77240 views
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JayP
Supporting I Donated 2026 Rockstar
Last reply · posted in Planted Aquarium Discussion
I hadn't seen it mentioned by others that attended Aquashella, but if you hadn't already heard about it or seen it in Aquashella videos, ADA has come out with Amazonia Pro. It's not a replacement for Version 2, but an addition. It is essentially Version 2 on steroids with higher nutrients and of course the negative side effect of potentially higher initial ammonia leaching and, if your not prepared and skilled, more chance of algae. That's even from the mouth of Homma-san himself. The scaping competitors were using it in the competition and AFA was selling 9l bags at the show. They said it would be available on the website within the next couple weeks.
45 Replies · 1879 views
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NC AL
Last reply · posted in Planted Aquarium Discussion
Thoughts about Cedar driftwood in a planted tank? My research says it’s a bad idea, but curious if that has practical rationale behind it.

I bought a med-large piece from Belinda’s Driftwood. I was disappointed when it arrived and it was cedar. It’s obviously a buyer-beware situation.
23 Replies · 1098 views
Phish Tank
Supporting
Last reply · posted in Shrimp and Other Invertebrates
I'm looking for recommendations for neocaridina retailers. I'd like to order them at the end of October, and have them shipped to Asheville NC.

Any recommendations?
22 Replies · 1100 views
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