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- #81
rehabilitatora420
Well-Known Member
i got one question of topic im planing to buy a co2 bottle for the grow room i found one that is 2L with mechanism for fish tank will be perfect for the box this mechanism u can make it when and how much co2 to release inside. is anyone familiar on how can calculate how much i need to release inside for my 100x100x200 tent also if the bottle is small the 2l i can buy a bigger one they are 50$ 10l one. the refiling is extreemly cheap in our country a 10l u can fill for like 5$