Thought this was interesting, thought I'd share.
http://www.bulkreefsupply.com/video/view/update-2-the-most-cost-effective-way-to-increase-coral-growth-52-weeks-of-reefing-brs160/">http://www.bulkreefsupply.com/video/view/update-2-the-most-cost-effective-way-to-increase-coral-growth-52-weeks-of-reefing-brs160/</a>
The solenoid in Video is :
Norgren from McMaster Carr (PART # 5489T491)
http://www.bulkreefsupply.com/video/view/update-2-the-most-cost-effective-way-to-increase-coral-growth-52-weeks-of-reefing-brs160/">http://www.bulkreefsupply.com/video/view/update-2-the-most-cost-effective-way-to-increase-coral-growth-52-weeks-of-reefing-brs160/</a>
The solenoid in Video is :
Norgren from McMaster Carr (PART # 5489T491)
