jamal December 21, 2006 Share December 21, 2006 i was trying to get a mag 12 for my tank but online it is 13 dollars more to get a mag 18. what it be better to get the mag 18 and dial it down but if increased flow is required later i will have it or should i just get the mag 12. its a 180 with 2 corner overflows one overflow has the return and the stand pipe and the other has nothing in it right now Link to comment Share on other sites More sharing options...
JC Pollman December 21, 2006 Share December 21, 2006 I would only get the MAG if it is run submerged - I have had consistent bad luck with them run external. As for the 12 vs 18, I would strongly recommend the 18. Even if you dial it back for now, I am quite sure you will find uses for the added flow later. Also, MAGs are rated in a less than reasonable way and in real life they will likely perform lower than your expectations, so , again, get the bigger one. Link to comment Share on other sites More sharing options...
zoozilla December 21, 2006 Share December 21, 2006 IMHO, I'd go with the MAG18. As you have already stated, you can always tune down or fully open up for more flow as needed. Link to comment Share on other sites More sharing options...
RudyCDX1 December 21, 2006 Share December 21, 2006 Go BIG!!! When it comes to pumps, size matters. Link to comment Share on other sites More sharing options...
quazi December 22, 2006 Share December 22, 2006 Pump it up! Go with the 18. You know you need POWER! Link to comment Share on other sites More sharing options...
rsaavedra December 22, 2006 Share December 22, 2006 Jamal I have a 90G and I run a MAG18 and to be honest I personally feel that I need more flow, I say get the 90. Raf Link to comment Share on other sites More sharing options...
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