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Two 60 watt white/blue LED fixtures with 120 degree spread can be had for about $100 total, which would be very good for a FOWLR/90g - if you like that look better than your current fixture. They can be of course had for a lot more $ with different looks and options.
Dave
It's hard to say but perhaps you should leave him be for now and see how it plays out. The fact is that there's not much you can actively do in any event.
Reactors can be converted into two stage. That way you can have both medias in one chamber and they're separated. Here's one that happens to be for sale. http://www.reefcentral.com/forums/showthread.php?t=2368090&highlight=reactor
If you have a small setup, the Little Fishies 150 can be...
If you can fit two reactors in your space and split the media then that's good, so you can refresh either media at different times. We normally use a Little Fishies Phosban 550 for our GFO and a Phosban 150 for carbon. They're hooked in a series, GFO first and then carbon.
Reactors are simple...
I think it may be the other way around 2/3 GFO and 1/3 Carbon. That's sort of how I've done it at least - but a little different, 3/4 GFO and 1/4 Carbon.
I think it's fine to do it that way, put the carbon on the top. As far as the tumbling the GFo goes, I don't think that it's in and of...
Being that you'll be running a whole new line from the breaker, it doesn't much matter what you have cause you can swap it out. I did 30 amp on ours, and ran 10 gauge wire to and between the outlet block. The heaters and lights for a big system add up, even LED. 20 amp for us would've...
The curve for that pump says about 700gph at 5' of head to the DT, average length of run from sump to DT - which translated to real conditions is about 600gph. That's a very strong power curve for a pump, now I see why these are highly regarded. So you're starting on a 140g tank with about 4X...
It's a "downdraft" design so it doesn't run off a needle-wheel skimmer, and ETSS is one of the better makers. Using a regular pump impeller gives maximum $ efficiency. It saves money and can be run harder and skim harder. The downdraft is mostly used these days for larger systems and/or...