John Olson is the CEO of Graystone Industries and an avid alligator wrestler. Graystone is a distributor for over a dozen brands of quality pond supplies with warehouse and retail locations in GA and NC as well as an internet store at When not working, John often spends his time hiking in the Appalachians, kayaking, or writing.

Pond and Water Feature Submersible Pumps In-Depth

By John Olson / July 1, 2012 / 0 Comments

To have a successful water feature – large or small – you must use the right pump to get top results! Increasingly, manufacturers are producing pumps specifically for our pond industry, and submersible pumps have changed quite a bit over the past few years. Get an in-depth look at the differences between today’s magnetic drive, direct drive and the newer hybrid magnetic asynchronous drive pumps available for your projects and customers. You have more choices now than ever before.

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Info Tanza 2011 – San Diego

By John Olson / March 1, 2012 / 0 Comments

This event was a smashing success. It started with Ponditat in Loma Linda, CA and then it moved down to the convention center in San Diego. There were excellent seminars, a delicious banquet, awards ceremony and many great memories.

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Ponditat for Humanity 2011

By John Olson / January 1, 2012 / 0 Comments

Ponditat for Humanity is the annual event where members of the International Pond Professional Companies Association (IPPCA) give back to the community. This fall, the IPPCA built a pondless water feature at the Loma Linda University Medical Center Campus, PossAbilities. Thank you to everyone who helped in this build, from your labor to the generous donations from the sponsors. Take a look at this impressive project.

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pond test strip

Pond Water Test Kits: Selection and Proper Use

By John Olson / January 1, 2011 / 0 Comments

*Thank you to Ecological Labs, Eastern Nishikigoi, Industrial Test Systems, Mars FishCare, and Tetra Pond for providing the photos. * Those of us in the business understand that in spite of our best efforts a customer’s pond paradise may turn into a nightmare if they do not perform some basic maintenance tasks. To make sure […]

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Waterfall cleaning supplies for maintaining a clean and clear backyard Pondless Waterfall

By John Olson / September 20, 2009 / 0 Comments

An in-depth guide to waterfall maintenance including easy to understand tips on how to find leaks and that green stuff. How-to on cleaning supplies and procedures for maintaining a clean and clear waterfall. Keep your customer’s (and your) waterfall in pristine condition and ready for enjoyment.

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