This confuses me!

[sostoudt]

Somehow i lost my refereance of science, but from what i remeber reading it held more importance on the color temperature and light spectrum than watts, and brightness was only important after a bulb is found with the proper color temperature and light spectrum.

your over complicating it, any bulb you buy made for plants will put in a good place in the spectrum. all you need to do is make sure you have enough light.

spectrum is important but so is quantity. example for people i could feed you the healthiest diet in the world, but if it only amounts to 200 calories aday you would still die. spectrum is the type of food, intensity is the amount.

 

[aquaculture]

So Sostoudt what are lumens measured in ?, also it seems quiet eneficent to buy a bunch of watts in hoping it would have enough lumens? or am i missing something.

 

[aquaculture]

Alos ive been loking through some old posts and have discovered Par to be very important , do need to calculate par myself or do the manufacturers of aquarium lights typically list the par rating?

so my optimum nm range would be? ...

 

[sostoudt]

So Sostoudt what are lumens measured in ?, also it seems quiet eneficent to buy a bunch of watts in hoping it would have enough lumens? or am i missing something.

candela or something, http://en.wikipedia.org/wiki/Lumen_%28unit%29

you know how much efficient the lighting type is compared to others, just use that as your guide. you know the basic lumens per watt per fixture.

Alos ive been loking through some old posts and have discovered Par to be very important , do need to calculate par myself or do the manufacturers of aquarium lights typically list the par rating?

so my optimum nm range would be? ...

buy a par meter and measure it yourself for most fixtures and bulbs. some info may be on the internet.

some metal halide par info:http://www.manhattanreefs.com/lighting




nms depends on the plants your keeping and there pigments.

i dont have the info but if you get a par meter, there is a number range you want to fall in, so you can be fairly certain you have what you want. you would have to look that up.

i recommend you search through this blog and read the articles. http://www.aquatic-eden.com/search/label/aquarium lighting.



but as i said all that is basically unnecessary, following a rule will put you in the correct area and plants will be ok.


heres read on takashi amanos tanks. they created a rule to suit the amount of light his tank has. you can use the one they came up with.
http://www.fitchfamily.com/lighting.html

to make sure the above rule in the article is valid, you can even use the same lighting type which is metal halide or t5 HO

 

[mgamer20o0]

the wpg came into effect using t12 shop lights. if you are going with shop lights you prob want 4-6 bulbs using the t8 or t12.

where the wpg doesnt break down anymore is more efficient lighting like cf and t5.