actinic blue bulbs

Question: I have a T5 HO light fixture that includes actinic and LED's. Should I be using all 3 light settings? (Day, mid-day, night) I've heard that the LED's don't really benefit anything and my coral's don't respond to it (except to retract / shrink). So here's the question... How harmful is...

Quick question on actinics. I had an old Coralife fixture on my last tank with actinics and when I replaced the bulbs, I really noticed a BIG difference in the brightness (Coralife bulbs to coralife bulbs). Almost blinding. I have a new fixture with my 125 and again I purchased a coralife...

2-10K daylight bulbs 96w each 2-actinic blue bulbs 96w each both are pc lights 4 bulbs all together 384w all together on a regular 55 g. tank 48x13xwhatever too lazy to get the tape measure. I was wondering if there is a species of clam I can get with this lighting? I have plenty of room to put...

Hello everyone:wavey:, I have a question, I have been looking at put two 400w 10000k metal halide lights in my 75gal. and I'm looking for suggestions. Thanks. John:agree:

Hello everyone. Another question for you all, as I am about to start my 125/55 build. Lighting. I know MH is best, but expensive. how do the other lighting systems compare to MH? PC? VHO? I am planning on eventually doing some softies, probally no hard corals anytime soon. I am also planning on...

Livestock- Open Brain green lobo red cabbage leather candy cane colony 8 heads Green monti frag purple monti frags green brown polyps Rust colored polyps zoos Green ricordia orange ricordia Pink ricordia blue ricordia white tube worm pink tube worm 100 or so lbs LR Tridacna clam 5 inches...

I would like to thank Steve and Family for letting us admire his tank and drink his home brew.:beer:The meeting was great and I think everybody went home with something.Thanks all for coming!

Livestock- Open Brain green- $25 lobo red- $25 cabbage leather -$25 candy cane colony 8 heads -$20 acropora green about 3 inch fragged colony- $25 Green monti frags-$10 purple monti frags -$10 green brown polyps frags, will break up the LR they are on or the whole piece. Fragged out they will be...

I am a serious newbie, so please be nice. :funny: I am getting ready to mount my VHO lamps to a board that is being mounted in my canopy. After looking at the parts, I am not 100% sure on how to do everything, so I am going to ask. Overview: I will have 4-4 foot VHO lamps installed over...

In my tank, light green film algae is growing on the glass and on the rocks, but then it turns brown it almost seem like its dying. another question pods feed on just dead stuff? or algae too ?

Hey guys, I own an acrylic 180 Gallon Reef Tank that I just love. These are my babies and I love them like my kids. Here's my problem. Algae. I have a light green algae film covering my 3 inch sandbed and I have to clean the glass once a week. This is something that has recently started to...

I have a beautyfull 65 gal reef with a 30 gall living refugiam and a 10 gallon sump. This reef has been running for about 3 years and has been very well maintained. Recantly I have not had any time for the reef and it is slowly starting to show. The tanks are in perfect shape. The 65 was new...

I HAVE ABOUT GIVEN UP ON TRYING TO SELL THESE THINGS. THESE ARE LIKE NEW. ALMOST NO RUN TIME ON THE BULBS. THESE COME WITH THE FIXTURE WHICH IS BLACK, THE ADJUSTABLE HANGING CABLES AND HARDWARE, 4 SUPER ACTINIC BLUE BULBS, AND 4 ACTINIC DAY BULBS. THE BULBS ARE HIGH OUTPUT AS WELL. THE TRUE...

Well I finaly have Corals. Now you can see them! :D Yellow Clown goby and Mushroom. Anthelia and Yellow Polyps Mushroom up close and personal. It's about 1" in diameter and there are three attached to the same rock. Hairy Leather The shrooms on the left are purple with blue dots...

ok folks. my hand is killing me, my fingers are throbbing. but i finally figured out what will make my hand mend faster. LIGHTS! the last major purchase for the tank, before the cool stuff can go in. so i'm going to order lights TODAY. i mean afterall, i need to heal quickly :D and i figure...

I have had my VHO lighting for almost a year now on my 90 gal. Icecap 660 ballast, 2 URI Super Actinic Blue bulbs & 2 URI white bulbs. I relocated in september, but the tank was only down for less than 1 week so the lighting has been in use the entire year. I always heard you should replace VHO...

Help me pleeeeeesssseee! I have a 180, 2hx2wx6l. It is acrylic with two 23"x8.5" openings. Currently I have 6x95w PC and am really not happy with that. I would like to have more options in what I can keep in the tank. Since I am limited to two openings (please see the attached picture) I...

Hi. Thanks for opening your doors to newbies like me. There are so many things that even the best books don't cover. I have an easy one for you. I have an established 100 gal. marine tank under my care. No live corals.(yet!) Just 6 med sized fish. External trickle filter with bio balls. 4 (48")...