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Is the c02 tank suitable for a co2 aquarium regulator?

Subject: Is the c02 tank suitable for a co2 aquarium regulator?
by BoxOfDemons on 9/1/2020 13:13:12

https://www.gas-uk.co.uk/carbon-dioxod ... 1ktgPXEAQYCyABEgKPV_D_BwE

The ones on amazon are 5x the cost. IS this ok?