AQUAPETSAQUAPETS

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The AQUAPETS journal

Aquascaping guides, build logs, fishkeeping tips and shop news from our aquascapers and fishkeepers — practical know-how to help your freshwater or marine aquarium thrive.

Do You Really Need CO₂ in a Planted Aquarium?

Aquascaping

Do You Really Need CO₂ in a Planted Aquarium?

When injected CO₂ is worth it, when it isn't, and how to start safely.

AQUAPETS · 15 Jun 2026