| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| danbeavers | "Go here to see the results from experimentation. " | Read more » | about 7 years ago | |||
| danbeavers | "The screw valve should BE a needle valve. I suggest a needle valve so that there is a large range of flow control. Most other valves are mainly o..." | Read more » | over 8 years ago | |||
| eustatic | "huh. i think i can make this out of the air filter parts? how essential is the 'needle valve' versus the screw valve that comes with the aquarium..." | Read more » | over 8 years ago |