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Stop killing corals with these simple steps! How to Master PAR and keep your corals alive for years.

Ryan deliveres a profound lecture around how much light you should be giving your tank. This includes how much PAR, how long to run your lights and why those two things matter for the growth and color of your corals. Ryan also approaches the PAR vs PUR debate and shares an eye opening explanation of why you really have nothing to worry about when it comes to measuring PUR.


Reef Tank lighting


Robert Farnsworth
Robert Farnsworth - Author
Director of Web Content

With more than 25 years of hands-on aquarium experience and a long, successful career in the saltwater aquarium industry, Robert brings a unique blend of practical reefing knowledge and professional eCommerce marketing expertise to the hobby. With nearly two decades of experience as a content creator, author, and eCommerce marketing professional, he focuses on creating educational content that helps hobbyists make informed decisions, better understand reef aquarium husbandry, and enjoy greater success...

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