CO2, Fertz & Light: The Secret to Insane Plant Growth In 2026

Struggling with your planted tank? In this video, I’m breaking down EVERYTHING I wish someone told me from day one. From Substrate choice to CO2, if you watch this all the way through, you’ll understand exactly how to set up a planted tank that actually thrives — not one you’re constantly fighting.

???? What You’ll Learn in This Video
✔ The real reason lighting decides your success
✔ How to pick the right substrate (and why gravel alone isn’t enough)
✔ Why your plants need both root nutrients & water-column nutrients
✔ How to avoid the top mistakes that cause algae explosions
✔ When CO₂ actually makes sense — and how to start safely
✔ The ONE rule that keeps your plants growing consistently

If you're new to planted tanks or levelling up your scaping game, this video will save you weeks of frustration.

???? Gear Mentioned in the Video (Dalua Products)
Useful options for people who want reliable gear.

Lighting

• Pixel Aquascaper LED — great full-spectrum light for beginners to high-tech setups
https://dalua.com/products/pixel-led-bundle

Substrate Options

• WIO Powervol Base — nutrient-rich foundation for strong root growth
https://dalua.com/products/wio-powervol-base

• WIO Dark Artist Florabed — clay-based active soil designed for plant-heavy tanks
https://dalua.com/products/wio-dark-artist-florabed

• WIO Stream Gravel Mix — perfect for capping active soil or creating natural riverbeds
https://dalua.com/products/wio-stream-gravel-mix

Fertiliser

• Phat Fundamental Fertiliser — simple and clean nutrient dosing
https://dalua.com/products/phat-fundamental-fertiliser

CO₂ Hardware
• Inline CO₂ Diffuser — efficient CO₂ distribution for compact setups
https://dalua.com.au/products/inline-co2-diffuser

CO₂, Regulator + Solenoid
https://dalua.com/products/co2-regulator-and-solenoid

CO₂ Indicator Kit
https://dalua.com/products/co2-indicator-kit

CO₂ Diffuser Acrylic + Extras
https://dalua.com/products/co2-diffuser-acrylic-extras

???? Ask Me Anything (Literally)
If there’s something I didn’t cover, drop your question in the comments — I answer as many as I can and often turn them into full videos.

???? Next Watch This (Level Up Your Plant Game)
???? Dutch Style Aquascape | Complete Guide (viewer favourite)
https://www.youtube.com/watch?v=mNUKmq-QFtA&t=231s

???? Aquarium Plant Fertilizer Guide
https://www.youtube.com/watch?v=9SLK7HrVI2E
???? Which Is BEST For Your Aquarium, Sand Or Aquasoil?
https://www.youtube.com/watch?v=xpVZFBTiGxU&t=12s

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