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The bulbs are labeled by the size of fixture. As long as the wattage matches they will work for your fixture! Feel free to let us know if you have any further questions!
This will vary depending on height and other factors, what reflectors and other impact however under 6-10 inches of tank you can expect high par in the 200-300 range for good SPS growth. at 24" you can expect lower par in the 100 or lower range.
The best combination of bulbs through ATI that we use are the Blue Plus and the Aquablue Special. We typically recommend 2 of each on 6 bulbs. From there you can use the remaining slots for supplemental lighting such as coral plus for more white based light, actinic for a deep blue and purple plus for unique coral colors. Feel free to let us know if you have any further questions!
BRS Note: The ATI Blue Plus T5 HO fluorescent bulb is one of the most popular actinic bulbs available.
Good morning light By Dr. Zoidburg on 10/28/2016Dr. Zoidburg would recommend this product to a friendI mixed this one with a Gieseman Super Actinic for morning lighting. Love the mixed color and the results.
Best of the Best By CorallineAlgae on 10/22/2016CorallineAlgae would recommend this product to a friendI started out using T12 & T8 bulbs about 20 years ago, then switched to VHOs, then power compacts and finally T5s. ATIs are the absolute best that I've used and the Blue+ is my favorite. I use the Blue+ to augment my LED fixture or paired with a Coral+ in a T5 only setup. These are the best you can get.
love the color By paul on 10/18/2016paul would recommend this product to a friendthese bulb look great.
Bulbs are great, but one arrived cracked By Will on 8/8/2016Will wouldn't recommend this product to a friendi bought two ati blue plus, one purple, and one coral plus, and i was extremely excited as i had been using bad bulbs previously. Unfortunately, one of my blue plus arrived broken, but overall, the rest look great!
Awesome T5 bulb By Jay on 7/30/2016Jay wouldn't recommend this product to a friendHave 4 blue plus bulbs in my 2ft ATI 6 bulb Sunpower fixture, along with a coral plus and purple plus, and I live the color in my mixed reef. All bulbs came well packed and intact. Thanks BRS!!
Gold standard By Rusty on 6/12/2016Rusty would recommend this product to a friendWhat more can be said that already hasn't. ATI Blue+ has cemented itself as the gold standard T5HO bulb for growth and color. High par, long life, stable color.
ATI Bulubs By Robert on 6/9/2016Robert would recommend this product to a friendI never buy any bulb but ATI best on market been using them to long to remember
ATI bulbs are the best bulbs. By Mathias on 3/4/2016Mathias would recommend this product to a friendThese bulbs are the best T5s on the market. I buy a new set every year. Thanks bulk reef supply.
Best blue bulb out there. By Mitch on 12/16/2015Mitch would recommend this product to a friendThis bulb will make colors pop. And it has impressive par, according to most fourms. I would like to see BRS test the par of all the lights they sell. ( hint, hint) This bulb comprises 50% of the bulbs in my setup.
love it By Russell on 12/13/2015Russell would recommend this product to a friendBRS is the best my Corals love this light and so do i this blue light is great the color is OOOOH MY :)
Good stuff! By Alex on 10/5/2015Alex would recommend this product to a friendI use this in a 4 bulb 24" setup for a 30g rimless shallow with emersed growth as well. My emersed growth has seen a slight spike since switching to these bulbs. The color is utterly amazing!
GE Starcoat 6500k
GE starcoat 6500k
Awesome bulb. By Icereefer on 9/23/2015Icereefer would recommend this product to a friendI run a full spectrum LED set and use ATI blue plus for supplements.I won't use any thing But ATI BP,great color and growth.