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Agreed. It's just not a practical solution for a tank like this. Tha AI Nano is only 36W, or there abouts, and will provide a lot of light for a tank of this size.

Those are probably the new Aquatic Life units. Not sure if I would use them for primary lighting, but suplimental would be fine.

OP, I'd stick with the AI Nano, or similar. The Nano will easily be...

Fortunately, I was only out of work for two months. I still had plenty to do while I was off though, so it didn't feel like I was off work lol. Nanocustoms is getting back on track, slowly but...

Sorry I haven't been around much lately guys. I took a break from the forums for a while when I was looking for work after getting laid off from my day job (Nanocustoms isn't my full time work,...

Either way will work, but you shouldn't need to use optics unless you are mounting them somewhat high over the tank.

If you cluster the LEDs, spacing of 3-4" should work fine.

Why do you specifically want to use the XM-L? Honestly, for a tank of your size, it's not necessary. It's not like you are going to use fewer LEDs when compared to XP-Gs. An XP-G and XP-E setup will...

Sorry for the delay. Haven't been making the rounds on the forums as much as I used to lately.

That lamp you pictured will be useless. The wattage is so low, it won't do your tank any good.

My...

Congrats! I'll contact you here in a little bit to get the ball rolling on your prize. Nicely done :)

The Sol Blue looks a lot better than the Sol White. It's the blue LEDs that are used in the Sol Blue that make the difference. It uses 1 cool white, 1 blue, and 1 royal blue, all independantly...

You can use any ballast. There is nothing magical about the stock one. Using a different ballast will just mean that you will have to hack/splice/modify the existing wiring to get the new ballast to...

Most fuses don't blow fast enough to protect the LEDs unfortunately. There is no harm in adding them, but it's not something that I would rely on. Paying attention to what you are doing will save you...

At that point, you aren't driving the LEDs by constant current. You would have to very closely match the power supply voltage to the total LED forward voltage, and pick a power resistor of the right...

All blue LEDs will create PAR. It's the level of intensity that will determine how much PAR is seen. If that PAR level is too high, then corals will be kept "awake", and will be very irritated. This...

Lux meters are pointless, and rarely waterproof anyway. Lux is a measurement of light with the same response curve that your eye has, which is heavily weighted in green, and pointless when trying to...

The reason that we typically run just in series is because of the potential problems that parallel wiring can cause.

First off though, you must understand a few things. All parallel strings must...

This is asking for trouble. Most of these so called "LED dimmers" you see on ebay are simple pwm choppers. This can wreak havok on the driver as it expects to get current feedback from the string of...

Wait a sec here. 24 LEDs, and only 3 Buckpucks? You know the Buckpucks have a series limit of 6 LEDs right? I'm assuming that you are running one driver with two parallel strings of 6 at half current?

The reason why you should never do this is because of the design of most common LED drivers. They use what is called "buck topology" (which is where Buckpucks get their name). This means that the...

No. Ceramic magnets still contain iron. They have to to be magnetic. The only safe magnets are those that are encased in epoxy, or some other inert sealant.

That should be ok, but don't judge your stopping point by visual brightness. Your eye is a poor judge. Let your tank show you if it needs more light or not.