DIY C02 2 liter bottles..
I am going to start constructing 2 for my new tank and I am concerned about connecting the airline conector to the cap. What type adheasive should I use... I understand it can be tough glueing this material.
Ehfipimp #273 ( Eheim Classic: 2260, 2217, Eheim Ecco: 2236, 2232 ) Fluval FX5