[Delphinus]

Ok, thinking about this some more.

Let's assume that my supposition there is true (i.e., as long as the output valve of the reactor is set to a value less than that of the input valve, that there is a tendency for the reactor to pressure up to match the sump return line pressure).

Wouldn't another alternative to feed the reactor be, keep the T off the sump return line, but place both the JG shutoff valve and the irrigation valve on the reactor input. Control the effluent rate of the reactor by controlling the input only. The JG valve can be mostly closed to keep the pressure not too high in the 1/4" line, and the irrigation valve (since it's a needle valve basically) can be used for fine tuning the actual drip rate. The effluent line is basically fully open at all times.

I suppose one drawback to this idea is that it will take seemingly forever for an adjustment to have an effect.

Is another potential pitfall that the reactor may drain itself by siphon, and the water level drops to match the water level in the sump? Or I guess that would only happen if the reactor is not airtight. It does make me wonder if there will be a negative pressure on the reactor (for the water level to pull itself down via the effluent line).


AArrrgfghhh!!!!! Are you guys basically saying we made a mistake by T-ing off our sump return? I thought lots of people did it this way ?? !! ???? :? ?????

:?: