Quote:
Originally Posted by blueyota
Thanks for that video Tony ...I have been trying to figure out a good rate for the tumbling but wasnt sure .....
what size of pump are you using for your reactors and are they daisy chained together???
Thanks
Shawn
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I am running them independently of one another.
The TLF150 (smaller reactor) is fed by a MJ1200 powerhead. When I first started this I ran the pellets in that reactor with a MJ12 pump but didn't get anywhere near that level of agitation with the pellets. The only thing that has changed is I took out the bottom sponge and replaced it with a piece of quilting mesh. I used 3 small zap straps to hold the quilting mesh to the bottom plate so it wouldn't move around.
The MR-1 reactor is fed by an Odyssea 500gph pump ($30 at Red Coral

). This same pump is feeding their Vertex reactor on their SPS tank. It is tumbling the pellets on their system quite nicely (more so than mine is). I think the difference is the bottom plate design, although it may also have to do with the fact that the MR-1 uses 3/8" tubing while the Vertex uses 1/2" PVC - so the Vertex will have faster flow capabilities with the same pump.
For what it's worth, I was running a MJ12 on the MR-1 up until this weekend, with a smaller pellet volume in there, and the tumbling was about the same. So given how many pellets you have in the reactor, the MJ12 powerhead can be an adequate pump to drive the pellets. I would guess the threshold to be around 500ml - 750ml of pellets.