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I'm currently running two K-4's , but am thinking of upgrading to two MP40's. It's a significant cost, and am wondering if the MP40's are worth the investment when I currently have no problems with my K-4's...
So talk me into it 
his question is it really worth the extra 650-800$
For some the smaller visual foot print, less heat and all the control options makes all the difference in the world... to those that think it's too costly, it's too costly. IMO it's worth it, but that is just my opinion. There is no fact that makes it a worthy investment, just opinion.
I have the mp10 and love it. If I had a bigger tank I would go with the mp40. Expensive but worth it.
I mean, I currently have two K-4's that work fine. No issues with cyano and I like the flow. However, if the upgrade to 2 MP40's will make a huge difference, then I'll def. consider it.
Con, that sounds good, but is it worth the extra 500+ dollars ? Like Jess said
Greg,
Did you run anything before the MP-10's? What do you like about them?
So the guy who is selling them has 2 MP-40's that are 3 years old for $500. Good value?
they usually sell for about 300 shipped on he BST threads on RC. So not bad. I have an MP10 and I really like it. I also have Ks on another tank and they get the job done but with boring flow patterns.
Did you run anything before the MP-10's? What do you like about them?
Yes, years ago I had regular powerheads that were not able to do anything but full flow all the time. They were bulky and ugly in the tank, nothing like the new prop pumps like the koralias and vortechs. The best thing about the vortechs are the different wave patterns pre-programmed into the controller. The wireless ones even allow multiple pumps to work together to do alternate flow, sync, anti-sync modes.
3yrs on a pump like that is a long time. I wouldn't buy then for 250 each if it has been that long. Lots of times pumps as old as those may need bearings/wetsides replaced. Other thing to find out about a pump that old is what kind of driver it has.
Personally I think vortechs in general are worth it. I have 7 of them. lol
So are you upgrading your lights, tank or pumps? Or all?
MP40's are fun to play with. Lots of options and modes. Good for different patterns or water movement
SF - Go Giants!
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