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Unread 04/14/2008, 02:17 PM   #901
JRaquatics
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Quote:
Originally posted by dja1980
Do the "Episodes" discuss everthing listed right side of the "Downloads" page?
Yes.


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Unread 04/14/2008, 02:24 PM   #902
tony varrell
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Ok guys for those of us who don't need this kind of detail which should it be. My dimensions are 84X28X25. I plan to use se 250 watt 10 bulbs with VHO atinic sumplementation. How any reflectors are required for complete coverage. Thanks..


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Unread 04/14/2008, 02:30 PM   #903
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Quote:
Originally posted by melev
I have both 10,000K and 12,000K reeflux bulbs that can be tested, assuming the HQI ballast is 250w. The 400w bulbs I have are Radiums and a 15,000K XM.
Ah, I'm interested in 400w results, but I'm sure testing the 250w would also provide some useful data. Is there anyone you could also borrow a 400w 12K ReefLux bulb from?


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Unread 04/14/2008, 02:32 PM   #904
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5 larges if you can get them up high enough, if height is an issue then you will have to go with the minis. What ballast/bulb combo are you going to be using also plays a role.


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Unread 04/14/2008, 02:39 PM   #905
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Quote:
Originally posted by tony varrell
Ok guys for those of us who don't need this kind of detail which should it be. My dimensions are 84X28X25. I plan to use se 250 watt 10 bulbs with VHO atinic sumplementation. How any reflectors are required for complete coverage. Thanks..
I would just put three large LuminBrights over your tank. It is 1' longer than mine, and that gives you a little space between each reflector. You need plenty of height to raise them up where they belong to get good spread and avoid the spotlight effect.

The 250w bulbs will do fine with that tank. My tank is 72 x 30 x 30, if you wanted a comparison.

psteeleb put 5 reflectors (minis) over his 280 Tall, and three are on all day long ,while the other two only come on for one hour each day.


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Unread 04/14/2008, 02:40 PM   #906
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Quote:
Originally posted by dja1980
Ah, I'm interested in 400w results, but I'm sure testing the 250w would also provide some useful data. Is there anyone you could also borrow a 400w 12K ReefLux bulb from?
Maybe I can get access to some, but I can't promise.


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Unread 04/14/2008, 02:40 PM   #907
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Quote:
Originally posted by tony varrell
Ok guys for those of us who don't need this kind of detail which should it be. My dimensions are 84X28X25. I plan to use se 250 watt 10 bulbs with VHO atinic sumplementation. How any reflectors are required for complete coverage. Thanks..
7' tank... I would think 3 larges would do it assmuming the larges will spread 28". Otherwise, 4 minis would be good, but you might be lacking front to back spread.


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Unread 04/14/2008, 02:41 PM   #908
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Wow I was thinking 3 to 4 at most. I will use ishio 10K250watt with URI atenic suplementation. The ballast will be PFO electronic which I already have and would prefer to use unless there is a good reason not to.


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Unread 04/14/2008, 02:46 PM   #909
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Melev Would a 15" canopy be enough height if I mounted them to the top of the canopy.


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Unread 04/14/2008, 04:10 PM   #910
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Since you want the bulb to be 16 to 18" off the water, I would say that your canopy is too short presently.


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Unread 04/14/2008, 04:54 PM   #911
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if i can barge in on this thread, could someone help me with reflector height? i just ordered two lumen bright reflectors, i think they are the small ones... 16", with two 250 w DE phoenix bulbs and the bluewave7 dual 250w HQI ballast. my tank dimensions are 36"x 24"x 20"ht. i am primarly housing SPS and clams so i want as much light intensity as possible. i am currently using a 36" sunpod 2x 250w HQI fixture with the bulbs about 8 inches off the water surface. the tank is rimless with an open top. my question is, what height should i mount the lumen brights to get good coverage front to back without a lot of light spillage outside of the tank. thanks for your help.


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Current Tank Info: 70gal sps reef (36x24x20), 50g sump, 25g refugium, vertex alpha cone 170, 2 x 250w 14k phoenix w/ lumenmax 3's, 2 vortech mp40w's, eheim 1262 return pump
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Unread 04/14/2008, 04:55 PM   #912
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here is a pic of my tank....a pic is worth a thousand words, right?...thanks again.




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Current Tank Info: 70gal sps reef (36x24x20), 50g sump, 25g refugium, vertex alpha cone 170, 2 x 250w 14k phoenix w/ lumenmax 3's, 2 vortech mp40w's, eheim 1262 return pump
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Unread 04/14/2008, 05:45 PM   #913
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That is a very pretty tank. You've been hiding that why?


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Unread 04/14/2008, 06:04 PM   #914
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i posted pics of it here before, but the post quickly faded into oblivion...lol


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Current Tank Info: 70gal sps reef (36x24x20), 50g sump, 25g refugium, vertex alpha cone 170, 2 x 250w 14k phoenix w/ lumenmax 3's, 2 vortech mp40w's, eheim 1262 return pump
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Unread 04/14/2008, 07:25 PM   #915
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Quote:
Originally posted by tony varrell
Melev Would a 15" canopy be enough height if I mounted them to the top of the canopy.
A 15" Canopy would mean the bulb would be 11" from the water due to the mogul socket being approximately 4" down from the top of the reflector.

My recommendation for these reflectors is a minimum 18" canopy giving you 14" from bulb to surface. 20" would be better as it gives you room to raise your lights to accomodate coral growth. You could get away with 12"-14" but only if the reflectors are stacked up against each other. I would not use 400w bulbs for this scenario though. 250's only please

Jim


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3-250W 12K Reeflux-CV Bllsts-3 Mini LB's,2 54w T5's,Advncd. ballast,2 - VTech MP40Ws,Reeflo Dart & Orca 200,Eshopps 37gsump, Ltrmtr + 1 - top off/alk-ca,RK 2 & AC JR,2 TLF Phosban Rctors,4 Orion fans

Current Tank Info: 156G Oceanic SPS Dominant Reef System(L60.5 x W24.5 x H25) - 30g Cube plmbed into DT - 1 LG LB Pndt. - 250w EVC 14K(EVC Ballast) - Panworld(790gph feed)
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Unread 04/14/2008, 07:36 PM   #916
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Bubbletip and Melev-

I'd like to pick up a PAR meter. Marc, as I recall you had the Field Scout Quantum Light Meter ($199):

http://www.specmeters.com/Light_Mete...ght_Meter.html

I've also heard the Apogee Quantum Meter with Separate Sensor model QMSS-E ($249) is good:

http://www.apogeeinstruments.com/qua...er_options.htm

Any recommendations?

BTW, Melev - I love your Reefcast (if you haven't heard it, go straight to Itunes NOW). It is a 10 out of 10. Great humor, very educational, and a great way to pass the time while tinkering with my tank. Two thumbs up!
Cheers,
Los


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Unread 04/14/2008, 09:06 PM   #917
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The one I'm borrowing right now is the second one, QMSS-E, I guess.


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Unread 04/14/2008, 09:33 PM   #918
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Quote:
Originally posted by macreefster
here is a pic of my tank....a pic is worth a thousand words, right?...thanks again.


Very nice looking tank and cramped what kind of fan r u running interested in picking some up


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Unread 04/15/2008, 03:44 AM   #919
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thanks tinnghe. the fans are just a couple of 5" ones i picked up at my LPS. not sure of the manufacturer, but i would imagine they are pretty common just about any place.

yeah, the tank is cramped. i think it's time for a larger one!

melev....any suggestions on how high above the water i should mount the lumen brights i have coming in with 250w DE phoenix 14k's? right now the sunpod in the pic is 8 inches above, would the lumen brights at that height cover the 24 inches front to back in your opinion? thanks


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Current Tank Info: 70gal sps reef (36x24x20), 50g sump, 25g refugium, vertex alpha cone 170, 2 x 250w 14k phoenix w/ lumenmax 3's, 2 vortech mp40w's, eheim 1262 return pump
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Unread 04/15/2008, 06:15 AM   #920
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I feel like you'll need it raised higher, but how will you make that look aestically pleasing? Your current fixture seems to match the tank, where the LuminBrite may look rather industrial. Are you considering the black one I got with the glass insert? If you got a 20 x 20 reflector, and had the bulb 16" off the water, that would definitely give you the spread you need. The 16 x 16 reflector would be smaller to look at, and I still think it needs to be up high. This one one thing you'll have to install, stand back and see how you like it, mainly because you are not using a canopy to hide it and thus have to deal with light spilling out into the room.


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Unread 04/15/2008, 06:42 AM   #921
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thanks.....yes, i ordered the black, 16x16 HQI reflectors. i can modify my canopy easy enough, i havent even finished painting it yet. i think what i'll do is either hang them from the ceiling or make a new bracket off the canopy to hang them higher. i definately want to reduce the amount of light spillage into the room and thats why i figured getting them closer to the tank would help. thanks for the advice, it gives me some good ideas to start with. i might end up building a "floating canopy to house the reflectors (they are a bit industrial looking) and yet still maintain the open look i want for the tank. i'll post pictures of what i finally come up with. thanks again...tom


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Current Tank Info: 70gal sps reef (36x24x20), 50g sump, 25g refugium, vertex alpha cone 170, 2 x 250w 14k phoenix w/ lumenmax 3's, 2 vortech mp40w's, eheim 1262 return pump
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Unread 04/15/2008, 07:34 AM   #922
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Here you go, Tom.




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Unread 04/15/2008, 07:36 AM   #923
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I asked this question earlier in the thread but it got buried. I've got a 36"x30"x21" sps tank that I want to get new lights for. I'm set on getting a single 400w Reeflux 12k with the coralvue ballast, but I can't decide whether or not I want to use the large lumenarc or the large lumenbright to give me the best coverage and intensity. Any thoughts?


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Current Tank Info: AGE 100 gal. 36x30x21 SPS dominated, ACJr, 400w 12k Reeflux in a Lumenarc III, Bubble King Mini 160 skimmer, Trigger Systems Custom Elite sump, 2x Tunze 6105 w/7095 controller, Eheim 1262 return, Geo 612 Calcium Reactor, 25 gallon frag tank inline
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Unread 04/15/2008, 08:13 AM   #924
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Those 36" tanks are somewhat difficult to plan lighting for... especially when you're talking 30" front to back. I think if you use 1 large LB, the sides of your tank will be dim. 2 mini LBs mounted close together would give you your length, but would probably be lacking front to back. 1 large LA would light your entire tank, but you will be sacraficing quite a bit of PAR.

If it were me, I would probably mount 2 large LB as close together as possible... even though they will still be overhanging your tank by 2" on each side.


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Unread 04/15/2008, 08:15 AM   #925
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now that is a sweet canopy! while beyond my meager woodmaking skills, i think i can come up with something simular. is that your tank melev? very nice! just the look i want. is that tank plumbed through the wall like mine is? great way to hide all of the equipment/sumps/refugium/etc. thanks for the perfect example.... you da man!

monti, i am no expert on reflectors here... just getting my first decent ones this week, but from the reading i've done here it sounds like the lumenarcs give more spread while the lumen brights are more directional. i opted for the more directional to hopefully have less light spillage outside of the tank, i'll let you know how it works out this weekend.


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Current Tank Info: 70gal sps reef (36x24x20), 50g sump, 25g refugium, vertex alpha cone 170, 2 x 250w 14k phoenix w/ lumenmax 3's, 2 vortech mp40w's, eheim 1262 return pump
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