Quote:
Originally Posted by ed99
I don't have any substrate in the tank so flying sand shouldn't be a problem, however I'm probably wasting flow by sending it directly along the short axis of the tank.
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It may be an advantage having it blasting along the short axis actually. One of the biggest advantages I've seen with the Vortech and the Tunze is not only the amount of water flowing out but the amount of flow you see being sucked in the powerheads as well. If you don't have sand then blowing the stream at the front glass will help disperse the flow even more than normal and you should get a really quick out then back in turnaround circulation which should create all kinds of turbulence. You might be able to get away with only three powerheads instead of four doing it this way too. 1 powerhead should cover a 2 foot area really well if blowing from back to front. JMO. Does that make sense?