I prefer multiple pumps as well, more random flow, easier to keep from having dead spots.
My mp40 gets a bit warm and loud when I have it all the way up, so I run like 75%
Depends what you are keeping in it. If just soft coral and LPS, yes it would be sufficient running Reef Crest or Lagoon mode. For SPS I would recommend 2. My 75g SPS tank I am running 2 MP40wES in Reef Crest anti-sync and the flow is amazing.
Are you guys with MP40s in the 75s going barebottom? I have a Koralia 4 and a Koralia Magnum 7 (3900gph total) and I'm having a tough time getting my Seaflor Special Grade to stay put!
Yes my 75g is currently barebottom, it did have sand in it and it wasn't a huge problem. Only reason I am barebottom now is because I moved and ditched the sand.
Definitely not enough for a 75g, unless you like the incredibly loud noise at 100%. It's enough good flow on my 40B now that I took the 90 down to rebuild. I'm still severely disappointed in the value and quality of the MP40, total ripoff in my book.
Yes my 75g is currently barebottom, it did have sand in it and it wasn't a huge problem. Only reason I am barebottom now is because I moved and ditched the sand.
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