Aquarium CO2 Mistakes: 12 Do’s and Don’ts for Planted Tanks.
Aqualust
21,899 views
Thinking about adding CO₂ to your planted tank? Or maybe you’ve already started and something just isn’t working right in the Aquarium ?
In this video, I break down 12 crucial CO₂ do’s and don’ts every aquascaper should know — from diffuser placement and surface agitation to pH controllers and water hardness. Whether you’re just getting started or trying to fine-tune your setup, this list will help you avoid the most common CO₂ mistakes and get better plant growth without harming your fish.
✅ Learn how to:
• Stop wasting CO₂ (and risking fish health)
• Improve oxygen levels with proper flow
• Understand the real role of your drop checker
• Tune your system without constantly chasing numbers
• And more…
Stick around to the end — I’ll explain why your tap water might be holding your tank back and how to decide if switching to RODI water is right for you. That’s the topic of the next video, so don’t miss it!
🔔 Subscribe for more freshwater tips
📺 Watch the previous CO₂ video on tuning and pH drop:
Adjusting CO2 No More Worries
0:00 12 tips and tricks
0:22 co2 24/7
1:02 Filter your Bubbles
1:35 Go For Flow
2:05 Cleaning the co2 diffuser
3:14 Give it time
3:46 Matching The Trio
4:23 the Big Picture
4:49 Have a backup
5:24 Calibrate
6:00 Tiny Bubble Journey
6:20 DON’T PANIC
6:40 What is KH?
7:24 Extra Minerals
7:44 Hard water?
12 Comments
Aquarium CO2 Mistakes: 12 Do’s and Don’ts for Planted Tanks.
Aqualust
21,899 views
Thinking about adding CO₂ to your planted tank? Or maybe you’ve already started and something just isn’t working right in the Aquarium ?
In this video, I break down 12 crucial CO₂ do’s and don’ts every aquascaper should know — from diffuser placement and surface agitation to pH controllers and water hardness. Whether you’re just getting started or trying to fine-tune your setup, this list will help you avoid the most common CO₂ mistakes and get better plant growth without harming your fish.
✅ Learn how to:
• Stop wasting CO₂ (and risking fish health)
• Improve oxygen levels with proper flow
• Understand the real role of your drop checker
• Tune your system without constantly chasing numbers
• And more…
Stick around to the end — I’ll explain why your tap water might be holding your tank back and how to decide if switching to RODI water is right for you. That’s the topic of the next video, so don’t miss it!
🔔 Subscribe for more freshwater tips
📺 Watch the previous CO₂ video on tuning and pH drop:
Adjusting CO2 No More Worries
0:00 12 tips and tricks
0:22 co2 24/7
1:02 Filter your Bubbles
1:35 Go For Flow
2:05 Cleaning the co2 diffuser
3:14 Give it time
3:46 Matching The Trio
4:23 the Big Picture
4:49 Have a backup
5:24 Calibrate
6:00 Tiny Bubble Journey
6:20 DON’T PANIC
6:40 What is KH?
7:24 Extra Minerals
7:44 Hard water?