I FOUND A CHEAP CO2 SYSTEM THAT DOESN'T SUCK!
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MY NEW FAVOURITE WAY OF ADDING CO2!
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No CO2, No Fertz, No Filter, No Water Change
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COMMENT: Fabriquer un système CO2 DIY durable - Système CO2 à petit budget
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DIY CO2 For planted Tank
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DIY CO2 from AMAZON | Good\Bad? | ZRDR CO2 Generator.
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