What's the DF mean? I have used the Ultra Flora Spectrum. How does this compare?
250358
DF is Dairy Free. Here are the ingredient comparisons: UltraFlora Balance (formerly UltraFlora Plus DF) : A 50:50 blend of: Lactobacillus acidophilus NCFM Bifidobacterium lactis Bi-07 UltraFlora Spectrum is a proprietary blend of 7 beneficial probiotic strains including L. acidophilus NCFM, S. boulardii, B. Lactis Bi-07, B. Lactis Bl-04, St. thermophilus, L. salivarius, and L. plantarum.
1043030
It is VERY noticeable, I have a 2700K and a 2100K right next to each other and the 2100K has more blue added to the spectrum, the visible light is somewhat purple whereas the 2700K is very red. The 2100K is marked "for veg and flower" I've never tried using it by itself but I imagine it would make a suitable light if you could only afford to get one bulb, it's not ideal for veg but it'll work and it's great for flower.
2260774
I don't have a method for spectrum analysis, the light is pleasing and 'normal' to me. I'll say that it IS more "blue-ish" than "yellow-ish".
402252
From what I have read these meters do not accurately measure LEDs. I have LED lights and the meter reads 4500 to 7000 lumens but as you say that is a focused spectrum. My plants spend part of the day in natural light and the readings are much higher in the greenhouse.
302343
Df has a full frame sensor. The "FX" designation in it's title is Nikon nomenclature for full frame sensor.
2013256
I would say fugeray. Idk about a planted tank but this this thing is pretty dang bright. And my corals grow fast. I would defiantly recommend this for a planted tank. And perfect for that size tank as well. There's also no over glare on the floor around the tank. All the light stays in the tank. Witch is important to me
981621
I have just started a grow, so I'm in veg state. The unit has a combination of veg and bloom led lights, blue/white and red. At the veg state it seems to be just what the plants want.
2013257
I know next to nothing about growing flora in the aquarium except some BS I've read in forums. I have planted a low growing and tall growing pair of plants in my 29 high tank with the appropriate sized model of this light. It is a medium populated community tank and I do not use CO2. I do dose daily with Flourish Excel. My plants appear to be doing well and some new sprouts have developed and are growing. I will take a picture and post it in the user pictures portion.
886543
I'm afraid I can't answer either question, since I don't know exactly what spectrum is needed to treat SAD. Nor do I know the lumens of the bulb. I do know, though, that I find it startling to look over in that direction (where the plants are) at night, because it seems as if the sun was out. Sometimes if I'm working beside that bulb I lose track of time and have no idea that the evening is so advanced because the light, well, it seems like daylight. Good luck!
304582
I would google ultraviolet vs led and read the answers. A good one was this one www.nsinails.com/.../led-vs-uv-by-rise'-c... Hope that helps!! Crystal
724920
Mixed (full) spectrum would be a T5 fluorescent or a cool white LED. Blue is used on vegetation stage and red for flowering
501680
I don't remember the actual specifications, but it does look quite natural, so it is quite likely full spectrum.
1716987
http://www.lessemf.com/rf2.html I hope it help, anyway you will more understand in www.dataasylum.com here you will understand EVERYTHING..good luck and god bless as human beeing
229827
it's not a "true" spectrum analyzer, but actually shows your slider settings @ the bottom, but the actual "spectrum" mode on mine reflects from, get this, the TOP DOWN! watch it in low light & you'll see. it doesn't have much of a "christmas tree" as far as led's go, but if you wire it right on the outside and run some real power(make it loud!), the so-called spectrum lights up better. hope this helps.
2032260
Hey Benjamin There is a side-by-side comparison of the various lamps Philips makes at the end of the listing for the HF3470. It looks like it boils down to this: The HF3470 has a replaceable bulb (what that entails, I couldn't tell you. It looks like the HF3520 must be a "forever" bulb). The HF 3470 has a "sunrise simulation" which I dig, and helps me wake up more naturally, which is what I bought the product for in the first place, so that was important to me, but is it for you? Lastly, the HF3470 has 2 sound simulations whereas the HF3520 has 5. I wouldn't call that particular facet a deal breaker. It looks to boil down to the idea of the sunrise simulation and is that worth roughly $60 for you? Happy shopping.
1352190
I don't know what you mean by multi-spectrum. This is broad spectrum in that it protects against UVA and UVB. Also light tint has color added to it, kind of like foundation makeup, which can rub off on fabric like a hat band. I now buy untinted.
1764630
I own a 55gln. I leave the lights on full spectrum for 10 to 12 hrs. Plants are loving it!