Turning On The Light?
Are you currently using CFL’s? What type fluorescent bulbs are they? Are they general spectrum or do they have a designation? Any idea of the lumen output?
\Steve//
> —–Original Message—– > From: AquaticLife@yahoogroups.com [mailto:AquaticLife@yahoogroups.com] On Behalf Of > greychildren > Sent: Sunday, December 21, 2008 11:54 AM > To: AquaticLife@yahoogroups.com > Subject: [AquaticLife] Re: Turning On The Light? > > hey guys > > Im sorry but i have a question on this topic…what type of lighting > should i have for my 40g planted tank.. im corently using a 75w > florecent buld..is this enouf or two much? > > — In AquaticLife@yahoogroups.com, “Steve Szabo” wrote: > > > > As I mentioned in my reply, comparing wattage was for savings you > might obtain using CFLs. As I mentioned in my reply, output, in > lumens, a real measure of light output is much greater per watt in > CFLs than it is in the regular fluorescent and incandescent bulbs. > > > > Currently, there are a large number of options available for > lighting an aquarium. Each has their positive and negative aspects. > Here is a general list: > > > > 1. Incandescent lights > > 2. Fluorescent lights > > 3. Fluorescent lights with a defined spectrum > > 4. High output (HO) and Very High Output (VHO) fluorescent lights > > 5. Metal Halide lights > > 6. Compact fluorescent lights > > 7. Compact Fluorescent lights with a defined spectrum > > 8. Light emitting diodes (LED) > > > > Most of these categories can be broken down further, can be used in > combination, etc., giving one an awful wide choice of lighting. > > > > Frankly, most people arrive at their current lighting scheme more > by happenstance than by planning. I’ve got to admit that I am in this > group. What we should be doing is looking at the type of tank we are > going to be keeping and choose the best lighting available that will > fit our purchase budget (some lighting options can be very expensive > to purchase and operate).Lighting for a fish only tank is, and should > be, very different than lighting used for a planted tank with fish. > > > > \Steve// > > > > > > > —–Original Message—– > > > From: AquaticLife@yahoogroups.com > [mailto:AquaticLife@yahoogroups.com] On Behalf Of > > > Lenny V. aka GoldLenny > > > Sent: Sunday, December 21, 2008 2:06 AM > > > To: AquaticLife@yahoogroups.com > > > Subject: RE: [AquaticLife] Turning On The Light? > > > > > > \Steve//, > > > > > > I’m not sure you would need to replace 40W’s of incandescent with > either > > > fluorescent or CFL lighting. While we use wattage as a simple > comparison, > > > it’s really only viable when comparing apples to apples… as in > > > incandescent to incandescent, fluorescent to fluorescent, CFL to > CFL, etc. > > > A 40W fluorescent bulb puts out a LOT more light than a 40W > incandescent. A > > > 40W CFL puts out a lot more light than a 40W fluorescent. And > since you > > > brought up LED’s.. 40 watts of LED lighting would be like you > were living on > > > the Sun. 
> > > > > > I know you already know this but wanted to clarify it for others. > > > > > > Wattage is actually the amount of energy being used rather than > the amount > > > of light (lumens) being created. With incandescent bulbs, 90% of > the energy > > > used is creating heat rather than light. I never really realized > it but > > > recently read that a 100W incandescent bulb actually puts out up > to 10 times > > > more light than a 40W incandescent bulb.. rather than 2.5 > times… when you > > > look at the lumens created by both. Fluorescent’s are much more > efficient > > > in creating light (lumens) and put out no heat from the bulb > itself (just > > > some from the ballast). Power compacts and CFL’s are more > efficient than > > > the long fluorescent tubes. And then the LED’s are WAY MORE > efficient than > > > all of the above… but the prices on LED fixtures are quite high > when I was > > > looking at them online recently. > > > > > > For now, I’ll stick with my $20.00, 4′ shop light fixture with > two 40W > > > tubes, over my 4′ tank. After all, it’s hidden by the canopy > anyhow and the > > > fish and plants have never complained about the aesthetics when > they look > > > up… but if I ever win the lottery or inherit a lot of money > (not likely > > > since I don’t have any rich relatives who have a foot in the > grave yet and I > > > don’t buy lottery tickets.. but if I ever do…), I’ll likely go > with one of > > > the sophisticated LED systems where the timers can be set so that > the light > > > will slowly come on in the morning and slowly dim in the evening, > until off, > > > more closely imitating nature. Then the “moonlight” LED’s will > come on so > > > you can still see what’s going on in the tank… all timed and > energy > > > efficient. Of course, low cost moonlighting LED’s are already > available as > > > add-ons to current lighting if someone likes that effect… or > wants to use > > > the tank as a night light. Of course, we don’t know what the > environmental > > > impact will be from the thousands of LED lights… are there any > hazardous > > > substances in them like mercury in the CFL’s? > > > > > > Lenny Vasbinder > > > Fish Blog - http://GoldLenny.blogspot.com > > > (Links to any articles referenced in above reply are listed on > the right > > > side, alphabetically under Labels and also under Archives by > Year, Month) > > > > > > > > > > > > —–Original Message—– > > > From: AquaticLife@yahoogroups.com > [mailto:AquaticLife@yahoogroups.com] On > > > Behalf Of Steve Szabo > > > Sent: Sunday, December 21, 2008 12:36 AM > > > To: AquaticLife@yahoogroups.com > > > Subject: RE: [AquaticLife] Turning On The Light? > > > > > > Bill, > > > > > > The compact fluorescents are old news. What you really need, to > save on > > > electrical costs, are the LED lights. > > > > > > Actually, compact fluorescents (or CFLs) can be a good way to > light tanks. > > > They come in many flavors, and have the ability to provide many > more lumens > > > per watt than standard fluorescents. If you are considering a > planted > > > aquarium, you probably should consider the CFLs. If you have > basically a > > > fish only tank, save some money and go with a standard > fluorescent bulb. AS > > > the conversation you heard claiming that CFLs were less > expensive, that is > > > not really true. They are more expensive to purchase, though the > gap is > > > closing, or has closed–it has been a bit since I last looked > into it, do > > > your own research–they still need replacement prior to burning > out, as do > > > standard bulbs. There is a savings in electricity, but likely you > will > > > replace 1 40 watt bulb with 2 or 3 CFLs. At 13 watts, you save a > total of 1 > > > watt with three and 14 watts with 2. > > > > > > Incandescent bulbs are a completely different story, different > type of > > > light, and should not be under consideration. > > > > > > \Steve// > > > > > > > —–Original Message—– > > > > From: AquaticLife@yahoogroups.com > > > > > > > > [mailto:AquaticLife@yahoogroups.com > > > > ] On Behalf Of > > > > bill1433 > > > > Sent: Saturday, December 20, 2008 8:26 PM > > > > To: AquaticLife > > > > Subject: [AquaticLife] Turning On The Light? > > > > > > > > > > > > I just heard part of a conversation that I found most > interesting. It > > > > seems the two people talking were discussing Aquarium lighting > and one > > > > suggested to the other that there was a better way to light an > aquarium. > > > > > > > > It seems their thoughts centered around the idea of NOT using > the > > > > standard fluorescent type fixture or cover but rather the use of > > > > Compact Fluorescent Light Bulbs types that screw in like a > light bulb in > > > replacement of the tube type fixture. > > > > > > > > Their claims were simply this, cheaper to run with better over- > all > > > > illumination, cheaper to buy and better life span and also > better for > > > > aquarium plants. Now I cannot remember seeing this discussion > on list > > > > but I¢ve only been here a short time. Is any of this true? If > so > > > > which part or parts? I have seen hoods for incandescent lights > but > > > > they were all for small aquariums, 5 or 10 gallon. Or is this > what they > > > are using and simply doubling up on the fixtures to accommodate > larger > > > tanks? > > > > Bill > > > > > > > > > > > > > > > > ———————————— > > Please, DELETE this line and EVERYTHING below it when replying, Thank You.. > ·´¯`·.¸¸.>.·´¯`·.¸¸.·´¯`·.¸> ¸.·´¯`·.¸. , .·´¯`·..> > PLEASE, when you REPLY to a post, DELETE all TEXT that is NOT important to the reply & if > CHANGING the TOPIC of the original message MODIFY the SUBJECT LINE -> i.e.. “new > subject (was re: old subject)” We Thank You in Advance for Your HELP in this matter.Yahoo! Groups Links > > >
Category: Philippines Internet Koi Society
