Kessil Club

[vhuang168]

What are your nitrate n phosphate numbers?


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[CodeMan28]

I had one kessil 360w over a 60g cube, I had the hardest time with the simplest SPS.. like you said, the tips looked good, but brown the rest of the way.. one of my problems was the shadowing effect, and intensity. I never really found a sweet spot, unlike you.

[mark.stefanizzi]

Originally Posted by vhuang168

What are your nitrate n phosphate numbers?


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Nitrate is 0 but the last time i tested phosphate it was high around .20 but I havent been able to test in a bit because I ran out of the test. The phosphate has always been a bit of an issue in my tank the last year. I run BRS gfo and do 5 gallon water change almost twice a week.

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[biecacka]

Can the 360 provide good par in a 30in tall tank? What about the 160?

Corey

[slief]

Originally Posted by biecacka

Can the 360 provide good par in a 30in tall tank? What about the 160?

Corey

I wouldn't worry about PAR. The Kessils never show great PAR numbers but coral growth is great under them which is where the whole PAR vs PUR debate comes into play. The strength of the Kessils is in the 420-460nm range where corals get most of their needed photosynthetic radiation. That wavelength doesn't read well on PAR meters. The Apogee MQ500 dues a better job in that range.but PAR doesn't tell the whole story.

At 30" deep, you will have to place less light demanding corals down low and or run the intensity up higher. In my 24" deep display, I've never exceeded 75% intensity. If I had a 30" deep display, I might be running them a bit higher. If you really want to grow light demanding corals at all depths, then the 360N's may be a better choice or at least a mix of 360WE's and 360N's on the perimeter.

[slief]

Originally Posted by Fuel Doodle

BRS changed from LED to T5s and their nem tank looks much improved. Does anyone have photos of nems under kessil for an extended period of time? I've had some under my 160 for over a year and wanted to know if the 360 would improve my nems or just look the same? I am upgrading currently and bought a T5 coralife because I was worried:



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Here is my 2' + diameter BTA under Kessils and only Kessils. I've had this nem for over 10 years and it's done very well under the Kessils.

[biecacka]

Was just curious. I don't run them, but a friend does. He had had little growth with corals liar in his tank. He recent moved a few pieces to a higher position in his tank and has seen some growth.

Corey

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[Kaera]

Would two 160's be enough for a 48” x 24” x 16” mixed tank with some SPS?
Thoughts?

[Scorpius]

Originally Posted by Kaera

Would two 160's be enough for a 48” x 24” x 16” mixed tank with some SPS?
Thoughts?

For SPS, nope. I run three 360we's over a 36in tank and I still see shadows.

[biecacka]

Scott, my buddy runs 2 360's at 100% for most of the day. Slowly ramping them up. He also uses 2 160's that max out around 60%. He isn't sure if hey are giving him enough par in the lower levels of the tank. I use a 250 watt radium, so I have no idea

Corey

[mpierce]

Originally Posted by ReefLover1230

So do you think 1 will not be enough over my 40B?


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I really think you would need 2. Or the 160 in the middle and a80 on each end.

[mpierce]

Originally Posted by Kaera

Would two 160's be enough for a 48” x 24” x 16” mixed tank with some SPS?
Thoughts?

I would run four 160s on that. I would also suggest the four 160 over two 360. The 16" depth is fine for the 160s and then you get the added addition of spread and less shadowing by having 4 since you don't need the penetrating power of the 360.

[ReefLover1230]

Originally Posted by mpierce

I really think you would need 2. Or the 160 in the middle and a80 on each end.

I went with two


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[Newbie Aquarist]

Originally Posted by mark.stefanizzi

This is a great topic. I have 2 kessil 360's over my 60G mixed reef. I am currently having a problem with my acros being brown. They blue tips and growing good but the rest of it is all brown. Im currently ramping them up to 85% intensity at highest day and 70% color at highest day. The acros are about 14 inches from the lights. Im not too sure if their not getting enough light or night. These settings seem to be in the sweet spot so it could be nutrient levels in the tank but just wanted to hear other thoughts. Thanks guys.

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I was having the same problem with my acros and it come out that I didn't have enough intensity. So I ended up running them at 100% intensity.

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[TNT32D]

Sorry if I missed it but does anyone have a picture of more mature sps tank under Kessil only? Thank you

[40gal]

Originally Posted by madweazl

I'm trying to come up with a clean way of retaining the lights in the canopy. Any good looking solutions for a similar installation?

Not the best picture but here's what I did over my rimless. It matches the design of my stand. The top is open, but above eye level, and I used 1/8" tubing around the kessil cutout to have a perfect fit around the kessil housing.






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[warrennorton]

Just ordered an A160WE ... intend on hanging it from the ceiling as the tank is on a tallish stand. Anybody hanging their kessil's from the ceiling? 160we owners?


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[warrennorton]

Are most of you controlling your kessil's with the spectral controllers? Or is manual just fine? Still waiting for my first kessil a160we to arrive


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[Thor2j]

Originally Posted by warrennorton

Are most of you controlling your kessil's with the spectral controllers? Or is manual just fine? Still waiting for my first kessil a160we to arrive


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Probably spectral or apex for most.

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[cali9dub]

Originally Posted by warrennorton

Are most of you controlling your kessil's with the spectral controllers? Or is manual just fine? Still waiting for my first kessil a160we to arrive


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I use the bluefish controller

[ElementalJ]

I use the DAReefkeeper ALC and I love it. I've got a 160 over my 5.5 pico and have seen really good growth. The zoa's seem to love it.

[ca1ore]

Originally Posted by TNT32D

Sorry if I missed it but does anyone have a picture of more mature sps tank under Kessil only? Thank you

Kessils mainly, but not exclusively as I also run a pair of reefbreeders photon 32.



Growth and color has been very good. All colonies except the pocillopora grown from frags. LPS, chalice do fine on the sand, but my SPS is all at least 6" up.

[ElementalJ]

Figured I should supply some proof. I'm totally convinced these are some awesome lights.

[mpierce]

Originally Posted by warrennorton

Are most of you controlling your kessil's with the spectral controllers? Or is manual just fine? Still waiting for my first kessil a160we to arrive


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I don't hang mine from the ceiling, but it shouldn't be a problem. I would shoot for 6-8" above the water. I do run mine off an apex, however you certainly can manually adjust them and put it on a timer, add the controller down the road if you want.

[Grayhead]

Originally Posted by slief

I wouldn't worry about PAR. The Kessils never show great PAR numbers but coral growth is great under them which is where the whole PAR vs PUR debate comes into play. The strength of the Kessils is in the 420-460nm range where corals get most of their needed photosynthetic radiation. That wavelength doesn't read well on PAR meters. The Apogee MQ500 dues a better job in that range.but PAR doesn't tell the whole story.

At 30" deep, you will have to place less light demanding corals down low and or run the intensity up higher. In my 24" deep display, I've never exceeded 75% intensity. If I had a 30" deep display, I might be running them a bit higher. If you really want to grow light demanding corals at all depths, then the 360N's may be a better choice or at least a mix of 360WE's and 360N's on the perimeter.

WHy do you think the par reading for the 700 was so much better than the 360we? I have my lights 10" above the surface. Barely cracking 200 par. I also have 3 over a 5' 240 gallon tank. I have 2 2X54W ARUBA SUN V T5HO - HAMILTON over it as well. My SPS is slow growing also. I am thinking about lowering the fixture to about 5" off the surface. Also considering adding 2 more of the t-5 fixtures. I really dont want to add more kessils if I dont have to. I think they are great for softies and LPS. Just not sold on them for SPS yet. Tanks is still fairly young to be making that determination.