Hi, im using this regulator for CO2 injection into my aquarium. all the aquarium airlines are 4mm internal and 5mm external diameter. Do you have any adapter with a smaller barb than 6mm?
Sorry we don't, but you could get some reducers are scale up the line? Or find some push fittings. 5mm of is an odd size in my experience. Can you confirm that OD?
How heavy is this item ?
Not very heavy at all. Probably easily under 50g I would say. Would you liek an exact weight?
We also have another barb that screws directally into our mini regs without having to take off any adapters:
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