CO2 Diffuser - Leakproof, simple, algae-resistant.
from $9.32
sale
This simple CO2 diffuser is one of the best we've used. After tons of tanks I've found the glass and stainless steel diffusers are simply less reliable and wind up causing leaks or clogging up faster. This simple, cheap design is among the best we've used. The M size works great on any tank 40g or less, and the L works great on up to 60g tanks.
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