Kessil Club

[vhuang168]

Kessil Club

Depends on the tank. And again it's not about power.

Mixed reef? Sure.

Full blown wall to wall sps? I don't think he'll get it with 3 radions on a 72/36/27 tank. He would need at least 5.


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[madweazl]

I really feel at this point after the last couple of pages that these lights are way more over rated then anything, specially according to kessils website, really debating going back to my China LEDs

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I've never known Kessil to state you need less lighting than necessary to do a specific job.

It's not about the power. Most will light a tank based in Kessils recommendations just fine. It's about spreading the light around so you get less shading.

I'm lighting a 40b with a single AP700. Getting good growth and color. If I went with A360, I would run 3, not the 2 they recommend.
...

What makes you believe the spread of the 700 is significantly different than the two A360s that you'd need three over the same sized tank. Two is enough to grow SPS over a 36" long tank.

 

[vhuang168]

Do I need 3? No. But I would want 3.

Because it will allow me to run the lights at a lower intensity and have more overlap areas to have more areas of higher par.

The AP700 has oval reflectors aligned lengthwise to the light so the spread is not round.


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[Thor2j]

The spread of 2 360s is COMPLETELY different then 1 ap700. I've done extensive testing with apogee 520 light meter. It takes 3 360s to equal 1 700 almost everywhere. 700 penetrates deep tank much better.

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[vhuang168]

The spread of 2 360s is COMPLETELY different then 1 ap700. I've done extensive testing with apogee 520 light meter. It takes 3 360s to equal 1 700 almost everywhere. 700 penetrates deep tank much better.

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+1. People think the AP700 is just 2 A360 packaged into a single housing with wifi control. It's not.


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[toddmau5]

I've never known Kessil to state you need less lighting than necessary to do a specific job.



What makes you believe the spread of the 700 is significantly different than the two A360s that you'd need three over the same sized tank. Two is enough to grow SPS over a 36" long tank.

While talking to the rep, he did agree id be pushing the limits of the lights with the depth of the tank, but assured me 3 would work, possibly 4 at the most

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[dartier]

Mine is set about 8" off the water and a max of 55%.

But raise the levels SLOWLY. They pack a punch!

How high a light level also depends on your water. I run pretty high alk 9-9.5, and higher than normally accepted levels of nitrates (5ppm) and phosphates (0.04ppm).

I also don't do water changes. I do run a CaRx with reborn media and dose other trace elements back using the Red Sea Colors program. I also use the test kit to test what and how much to dose.

Wow. OK, that gives me a good upper limit. I am at 14" off the water and ramping to 30%, then 3 hours to 35%, followed by 3 hrs ramping back down to 30%, and then dropping to zero over 2 hrs.

I struggle with keeping enough nitrates and phosphates in my frag tank to keep LPS happy, while keeping them low enough to keep SPS happy. Currently 2.5 NO3, 0.06 PO4.

Thanks for the feedback. That is helpful.

Dennis

 

[madweazl]

The spread of 2 360s is COMPLETELY different then 1 ap700. I've done extensive testing with apogee 520 light meter. It takes 3 360s to equal 1 700 almost everywhere. 700 penetrates deep tank much better.

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I'm not trying to take anything away from the 700, it's a great light by all accounts but I dont want people to think for a second that a pair of A360s isn't capable of properly illuminating a 40b.

 

[Thor2j]

I'm not trying to take anything away from the 700, it's a great light by all accounts but I dont want people to think for a second that a pair of A360s isn't capable of properly illuminating a 40b.

It is. To do sps dominate u need about 1 360 per 12" length of tank.

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[madweazl]

It is. To do sps dominate u need about 1 360 per 12" length of tank.

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Please elaborate.

 

[minus9]

Anyone know what size allen wrench opens the a160?

 

[Thor2j]

Please elaborate.

Watch the brs video on the 360

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[Esage]

Watch the brs video on the 360

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The BRS video on the A360 says every 18" for SPS tank

 

[Thor2j]

The BRS video on the A360 says every 18" for SPS tank

U didn't listen to whole thing or just missed it. Said 4 would be much better for sps. It's a 48" tank. 12:53 in.

I've done extensive testing on these lights. 14" is about max , 12 is better.

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[ComforablyNumb]

I've done extensive testing on these lights. 14" is about max , 12 is better.

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So you are saying both BRS and Kessil have it wrong. I know about your light meter testing, but I know that both the manufacturer and BRS are not misleading anyone.

I have grown sps successfully with two a360we's on a 4 ft tank. Thats one for each 24" of tank.




One of 3 sps frags:

Same frags later:

orange sps ...sorry for poor pic, all I have

same sps frag a few months later:

stylo frags:

same ones a few months later:

Digitata frag:

After a few months:

And thats with one every 24". See previous page for some acro growth pics. I am not hesitant to say that if you had one a360 every 18", you could grow basically anything. I agree with both Kessil and BRS.

 

[yeah]

Rubbish.

You turn a T5 unit on, done. Even the hanging height makes bugger all difference.

LED requires the right intensity, colour, hanging height, spacing.

You only need look at all the LED threads, thousands of questions regarding intensity because 'my corals are shrinking/bleaching'.

Same goes for t5 back in the late 90s and early 2000.. ppl swear that metal halide was only light that can grow sps.. years of trial and error made t5 what they are now..

 

[mfaso24]

Dang I am sad! I just bought five 360we's for a 96" long, 30" deep, and 24" high tank thought it would be good enough. Guess I need another one? I am not into acros though. LPS junky here. Do I still need to have more than 6?
Thank you in advance.


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5 should be fine for lps. That's one about every 1.5ft


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[Thor2j]

So you are saying both BRS and Kessil have it wrong. I know about your light meter testing, but I know that both the manufacturer and BRS are not misleading anyone.

I have grown sps successfully with two a360we's on a 4 ft tank. Thats one for each 24" of tank.




One of 3 sps frags:

Same frags later:

orange sps ...sorry for poor pic, all I have

same sps frag a few months later:

stylo frags:

same ones a few months later:

Digitata frag:

After a few months:

And thats with one every 24". See previous page for some acro growth pics. I am not hesitant to say that if you had one a360 every 18", you could grow basically anything. I agree with both Kessil and BRS.

You didn't listen to brs either. They said for sps 4 would be what they recommended. Let's see 48÷4=12. So 1 per 12" is what brs recommends.

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[ComforablyNumb]

You didn't listen to brs either. They said for sps 4 would be what they recommended. Let's see 48÷4=12. So 1 per 12" is what brs recommends.

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I listened when the vid first came out. I posted it in this thread. It was a very complimentary review of the A360.
And I saw the tank set up with 4 Kessils. Of course, 4 is going to be better than 3 or 2. Duh. What I am saying is I am running a successful 4' mixed tank with two and I am growing sps in it, as you can see above and below.

I am still going to go with what BRS and Kessil say over what you say. For heavily stocked sps tanks, one every 18" is fine ..because I am growing many with one every 24". I also never run mine over 85%.

I actually have a third a360 but I don't use it because I dont need it to grow sps. I keep it as a spare now.

 

[vhuang168]

Yes you can grow sps with 2 A360we in a 4' tank. Heck you can grow sps with a single A360we in a 8' tank. If the sps was right under the light!

If you want a mixed reef with sps located at the right areas, yes you can do it with 2 lights on a 4'. If you want an SPS FULL tank, you will need more.

Again, its not about power. I have an AP700 in a 36" tank. If I could break them apart and add a 3rd, I would in a heartbeat.