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Co2
CO2 Diffuser
A ceramic diffuser that breaks pressurised CO2 into microbubbles for maximum plant absorption.
Price: Budget
For: Freshwater $15-$80
📖 Overview
The classic ceramic disc diffuser mounted inside the aquarium. Microbubbles rise slowly and dissolve efficiently. Popular with pressurised CO2 systems.
🛒 Buying Guide
Inline diffusers (installed on canister outflow) are silent and highly efficient for larger setups.