[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Aquatic Plants Digest V4 #668
>> Can anyone give me information about using silicone tubing (100%) to
>> CO2 to the tank? My main concern is wether or not the gas will make the
>> tubing brittle over time, or if there is a significant loss factor thru the
>> tubing (gas permeability)? Thanks for any help.
>Jean-Paul Chicheret has written an article, dated Jan. 7, 2000, in which he
>encourages us all to change our silicone tubing, which he says is far too
>permeable ("up to 30%"), for Tygon-brand tubing.
FWIW, Tygon tubing is the standard for use in elevated CO2 greenhouses
where they raise tomatoes tulips and do research on how plants will do a
hundred years from now when the concentration of CO2 is up to 750 ppm.
This is because it's not permeable and not adsorptive.
Department of Biology
1001 E. 3rd St.
Bloomington, IN 47405