Inexpensive nano lighting

[Skimmer Juice]

just curious where did you get that wave tank?I dont think i have crabs was critisizeing you just letting you know about a really good inexpensive light.The coralife light sits right on top of your lid it is just a bit cleaner.Plus my corals are doing great under that light.I think those light's look good if they work well enough.

[TheReefGeek]

I saw that tank at BAs here in Edmonton last night actually, would presume other locals have them too, or can get them.

[Xtasia]

Originally Posted by i have crabs

for 40 bucks you could have got a 9w x 2 coralife light with proper spectrum and a nicer look.

$30 at J&L.
http://www.jlaquatics.com/phpstore/s...t_ID=pc-al0909

So the same price.

Good thinking tho.

[Bob I]

Originally Posted by stinky

just curious where did you get that wave tank?I dont think i have crabs was critisizeing you just letting you know about a really good inexpensive light.The coralife light sits right on top of your lid it is just a bit cleaner.Plus my corals are doing great under that light.I think those light's look good if they work well enough.

I got it from Eric (deathstar). I don't really want a light sitting right on top of the tank, so this works fine.

[Skimmer Juice]

I dont think I sold him a tank.I only sold one to ruth.But thanks anyway

[AC33]

Originally Posted by TheReefGeek

So higher K lamps are used for coral growth, and visual appeal.

What about PAR? I thought the Iwaski 6500k bulb has the best PAR out of all the metal halide bulbs. And, doesn't more PAR equal more growth? The PAR rating from 20k bulbs is significantly lower than that of 6.5k bulbs, which leads me to beleive that lower K bulbs (around 6.5k) give better growth than higher K bulbs (14-20k).

[AC33]

Sorry, Im not really sure how to quote properly with this site.

[AC33]

Oops, nevermind, I just figured it out.
lol

[StirCrazy]

Originally Posted by TheReefGeek

Different wavelenths of light penetrate the water more/better. So as you go deeper, only certain wavelengths are present, or in high concentrations. .

True

Originally Posted by TheReefGeek

So corals are not exposed to 6K sunlight, .

False

Originally Posted by TheReefGeek

they get "filtered" light, with higher concentrations of blue light because it penetrates the water better. .

true but nit relevant in our tanks

Originally Posted by TheReefGeek

So higher K lamps are used for coral growth, and visual appeal. Different corals, depending on where in the reef they are, will "want" different spectrums of light. They can also adapt though, and change out the symbiotic *cant remember name* and get food from different spectrums of light.

Both true and false.. (low K is better for growth than high K but some people think high K brings out colors better), Besides this is a thread about Bob's cheap lights he found that actually look decent. If you want to know more do a search on light spectrum, lots and lots of good information

Looks good Bob.

Oh and sense Bob didn't pick it up "spectrum" is already a plural so you don't need the "S" on the end..

Steve

[TheReefGeek]

Steve, a question for you.

I know say 6500K iwasaki bulbs have great PAR, but do you know how much of that PAR gets to the bottom of a 30" tank compared to a 20K bulb?

The blue in the 20K should penetrate better, but I don't know whether 30" will make a difference or not?

And lower K is not always higher PAR. 20K XM bulbs put out more PAR than 15K XM bulbs, just wanted to point that out.