Kessil ?

[Tim gixxerman]

Would 2 A350's be to much on a 40 b?

[bigfish14]

I dont think it should be too much. What do you plan to keep as far as corals?

[Tim gixxerman]

A clam, mushrooms, lps

[Ben_1313]

I think 2 A150s might suit you better. You'd have to dial the A350s way down.

[Grendel0501]

I've got two A350's and a 40br that is setup as a sump.
It won't be the best example, but I took afew pics to help give you a idea of coverage.

This is one A350, with both channels tuned to max. The tank is a 40br with a ruler along the bottom.
Pic #1
Pic #2

Two A350's would light a 40br VERY well imo (maybe alittle too well), you could probably save some money and get it covered with 1 wide version. That's just a assumption based on the narrow, I haven't seen a wide yet.

[jerpa]

I think 2 A150's would be best for that tank. 1 A350 is going to leave a lot of shadows and with a relatively shallow tank you don't need that much penetration. JMO.

[Tim gixxerman]

That Does help a lot! I would do 1 wide but this one has a center brace!

[pkirby]

I agree with the above. 2 A150 or hold out for the A350w... with the understanding that a single A350w is going to produce heavier shadowing since it's a single light source.

2 A350's would work fine, but it's a lot more light than you need on a 40b... save the money and invest in livestock or other premium equipment! (although if you still have the 75 listed in your profile, the 2 A350's would be nice over it!)

[Tim gixxerman]

Originally Posted by jerpa

I think 2 A150's would be best for that tank. 1 A350 is going to leave a lot of shadows and with a relatively shallow tank you don't need that much penetration. JMO.

I have thought about 150s but they are ether blue or white not both so i would need 4 150 which would cost more than 2 350s

[Mrs. Gixxerman]

Here's my concern. (Gixxerman is building me the tank) The 40 gallon breeder has a center brace on the tank, which is going to create a center shadow from the light. So ideally I wanted two lights, hanging on either side of the brace. It will be built into a canopy so I'm limited to how low they hang to the water. Ideally one 350W will be right for the tank, but with the center brace, I was concerned about the shadow. I liked the ability to adjust the blue and white on the 350's, but was concerned if it would be TOO much light for the coral. I'm fine with going with the 150's and I could supplement the blues with a stunner strip if need be to offset the blue.

So I guess my question is, what are my coral choices for 2 350's vs. 2 150's?

[ganjero]

The 350 can work and it won't be too much light if you dial them down, which you probably have to since it sounds they are going to be closed to the water. You can can independently adjust the intensity of the white and blue up and down, that's how you change color temp. I agree that you would be spending more money than needed when you can use the 150w but the 350s do give the versatility of the wide range in color.
It's up to you to pay more and be able to adjust the color or decide the color than you want and go with the 150w

The only thing that an owner of the 350 (I have the 150w) should be able to tell you is how dim the light would be if you decrease the intensity in both colors (your case), it might be enough light for the corals but not aesthetically pleasing.

[Tim gixxerman]

What my concern is the 150s are aether blue or white with no adjust ability, so to offset 2 blue i would need some white also. and 4 kessil 150s are more expensive than 2 350s.
unless i could run white stunner strips or something else to offset the 2 blue 150s.

[saltwatertanker]

In my honest opinion I would go with 2ea kessil a150 ocean blues. I almost purchased the sky blues because looking at pictures, it looked just right. When I actually ran them in person, the ocean blues looked better to me. They are not as blue as what most videos and pictures make them out to be.

Remember this is my opinion. I suggest you take look at them at an LFS before you decide.

[that Fish Guy]

I thought that you could not Lower the Lighting Intensity with the A350. That you could only adjust the color that it gives off. Am I wrong?

[Tim gixxerman]

Originally Posted by that Fish Guy

I thought that you could not Lower the Lighting Intensity with the A350. That you could only adjust the color that it gives off. Am I wrong?

That I will have to check on. Good question!

[ganjero]

Originally Posted by that Fish Guy

I thought that you could not Lower the Lighting Intensity with the A350. That you could only adjust the color that it gives off. Am I wrong?

The 350s have two channel potentiometers to adjust the whites and the blues separately. You adjust the color by adjusting (dimming) the intensity of the blues or the whites, so yes you can manually lower the total intensity by dimming both.

[ganjero]

Originally Posted by Tim gixxerman

What my concern is the 150s are aether blue or white with no adjust ability, so to offset 2 blue i would need some white also. and 4 kessil 150s are more expensive than 2 350s.
unless i could run white stunner strips or something else to offset the 2 blue 150s.

The 150s contrary to how they are advertised look more in the 14K-20k range (well with the exception of the amazon). The sky blue looks like a phoenix 14k, the ocean blue is more like an XM 20k, and the deep ocean blue is bluer than any MH bulb I have seen - I would say "as advertised", an actinic color.

[vulteiv1]

Personally, I think getting two a350 is a better option. You have the ability to tune it down to your desire intensity. I feel that the a150 are too limited in it's abilities. Also, if you ever plan to upgrade, the a350 can still be part of it.

For what it's worth, I'm getting two A350 for my 30x30x24 tank. I was told that one A350 would be enough, but I don't like having shadows.

[madean]

Vulteiv1- when you get your A350's (are you doing the regular or wide) will you post a pic of both the front of the tank and the side as well. My tank is going to be almost the same dimensions as yours (36"L x 30"W x 20"T). That would be great. I am going back and forth with two of these lights or a T5 ATI sunpower or powermodule.

[jerpa]

Originally Posted by vulteiv1

I feel that the a150 are too limited in it's abilities.

I find it amazing that the light is limited because it turns off, on, and grows corals. It's true and I'm not poking fun at the remark. It still makes me laugh though.

I would agree if the extra $$$ isn't a big concern and you want adjustability I would go with two a350's. One will not be aesthetically pleasing IMO.

[Tim gixxerman]

Thanks for the input!

[killrblue]

I have two A150Ws on my 40B. Where are you in VA?

[Tim gixxerman]

Lynchburg

[sczlars]

The color of the a350 dialed down is quite pleasing. I'm running mine at around 35% this first week. About the same amount on both channels. Love it. I have a 20g standard, with the lamp about 12" over the water's surface.

I also like how I can turn the knobs all the way down, and still have a very soft light illuminate the tank as a sort of moonlight for when I'm up at night, after normal lights-out, and still want to enjoy the aquarium

[that Fish Guy]

Originally Posted by ganjero

The 150s contrary to how they are advertised look more in the 14K-20k range (well with the exception of the amazon). The sky blue looks like a phoenix 14k, the ocean blue is more like an XM 20k, and the deep ocean blue is bluer than any MH bulb I have seen - I would say "as advertised", an actinic color.

How Blue do you feel the A350 is?

I just saw the A350 at my LFS. When he put it on maximum blue it did not seem to get as blue as my 20K Deep Ocean Blue A150. But I did not see them side by side so I cannot be totally sure.