Who is stockpiling incandescent light bulbs?
threedgrad
15 years ago
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mrsmarv
15 years agoRelated Discussions
Philips Agro-Lite: An incandescent grow light experiment
Comments (21)wood, There is absolutely nothing wrong with experimenting! I've started and later tossed probably a hundred plants just to see how they would perform under different lights, different soil mixes, different hydro solutions. And I do not believe everything I read from on-line posts (See Struw's posts and those about Monsanto leading the way to outlaw backyard gardens!). At the same time, if I read enough experiences from smart growers - including those herb people - that is backed by science, I tend to believe them. I have another experiment I'm trying now - supplementing a R/B/O 125-watt LED with a 2.8 watt, 60 bulb white LED. It has a blueish cast to it and doesn't produce many lumens but I can let it touch the plant, and I get about 20,000 lux at that distance. It's to see if it affects the internode length. As I want to grow several (60) tomato plants indoors this winter, I need to keep them short and stocky so the LED lights are effective. I'll also experiment with different nuits for the hydro. Toms really don't need much nitrogen so once the plant starts growing I plan on switching to more P & K plus calcium. Much to my surprise, and this is from an accident, hydro toms don't seem to need much in the way of foliage. Thanks to inept weather forecasters, I didn't open my GH doors one day when the temps were in the 40s and the forecast was for mostly cloudy skies with highs barely reaching 50. Instead, it became very, very sunny and warmed up to 60. By the time I got home, the temps inside, two feet off the ground, were 125. My air pump shut down and I lost all but one plant out of the nine in hydro (the dirt ones survived, but the baby toms were fried). On the plant that survived, almost all the foliage was toast. But a few leaves survived and later blooms appeared. Since then, three toms have formed and almost all the other leaves have died. But those toms continue to grow. I'll be curious to see how they do. Mike...See MorePros/Cons of Fluorescent cans vs. Incandescent cans w/ CFL bulbs?
Comments (11)You may not agree, but my personal preference is for good old fashioned (some people would probably say "ugly" ;-) linear fluorescent ceiling fixtures. We work in our kitchen. Its purpose is to prepare good meals. Seeing is more important to me than having attractive light fixtures (I don't really think nice fluorescents are necessarily unattractive, but I know that some people approach them with certain preconceived notions). I find that good linear fluorescents provide ample light for my (our) middle-aged eyes, and the evenness of the light combined with some indirect light reflected from the ceiling reduces shadow. Of course, they have to be placed correctly or you WILL be in your own shadow. Combine them with undercabinet lights and you have good lighting, IMO. I've seen pictures of setups with linear fluorescents either behind a cove or on top of cabinets, bounced off a white ceiling. I can't imagine that's as efficient as combined direct and indirect, but I'm still a strong proponent of at least some indirect lighting. Again, it reduces shadowing. This was a principle of (IMO) sensible lighting designers already 50 or 60 years ago, but many seem to have forgotten it in the last 10 or 20. (Of course I'm not a lighting designer myself, so perhaps I'm talking through my hat.) Recessed lights, OTOH, have zero indirect component by design and are a near point source, so they produce very strong shadows. This kind of light is great for bringing out the grain of wood and the texture of expensive counters. Thus cans are ideal for people who entertain in their kitchens, but seldom do the actual work of food preparation there. They are also good for highlighting decorative accents and room features. However, cans are one of the least efficient ways to provide general illumination of a space. Because they're lousy at light distribution, you need a LOT of them. This is an energy consumption disaster with incandescents; at least using fluorescent cans (or retrofits) is an improvement in that regard. But they are still not as efficient as surface mounted linear fluorescents. Most of the glossy home improvement magazines you find at the counter of the big box stores show recessed lighting, or did the last time I looked at one. I think this may be one reason that a lot of people don't think of much else. (Also, from what I hear, contractors seem to assume that everyone wants them.) Perhaps some combination of these lighting systems could produce a winner for you - a few cans in strategic areas, some direct/indirect linear fluorescents over most of the food preparation areas, and indirect flos on top of cabinets. I recommend modern electronic ballasts and 3000K, 82+ CRI lamps for warm light, but some like 3500K for whiter lght. Which works for you depends to some extent on the colors you use in your kitchen. Again, hope this helps. Best to you in your project....See MoreCan I have incandescant lights in a pantry 'closet'?
Comments (8)I agree, those are not bare bulbs. You will/should be able to use the pendants. If anything, change to something cheap/required for the final inspection then change to what you want. I brought the foyer fixture from our last home, an old piece, for our pantry. Love it. I have two small 3 light chandeliers in the MBR closet - put up after final inspection. In the other walk-in's a bought inexpensive light bases and used vintage glass globes to cover. It really can depend on the inspector too - in the powder room, for example, I brought antique sconces from our last home. Put 2 in the foyer and 2 in the powder room. Even had those rewired locally and put on a ground wire. Inspector said they were not okay for a wet location. (WTH is going to splash water 5ft up and 2ft over? ??? So I had to change them out to the fugliest cheapest outdoor UL approved for wet space fixtures you've ever seen. ;D Then took them down and returned after final. DH replaced with sconces. Can't wait to see everything pulled together....See Moreincandescent bulbs..donate??
Comments (20)"People have been using fluorescent blubs for decades. Now suddenly they are dangerous?" Actually there were a number of concerns about the health effects of fluorescent lighting. Very old fluoro tubes contained PCB's in the ballast, I think they started phasing that out in the early 80's. But the fluoro's themselves were also suspected to be unhealthy. I guess people didn't get too concerned though as exposure was usually only during the work day and was diluted (not sure if that's the right word) because office buildings usually have high ceilings and large windows. CFL's are said to wear out quicker in situations where they are turned on and off frequently so it's fine to use incandescents in toilets for example, the energy usage isn't significant and there's no point wasting money on CFL's. But I think the best idea might be to donate them to a lupus centre as suggested above....See Morepbrisjar
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