About • Fluid Rx Diagnostics
Need Help? Give us a call, toll-free! (855) 53-FLUID



The Magna-Guard team brings decades of innovative expertise and scientific know-how to the development of useful automotive products that are helpful to both consumers and automotive industry professionals everywhere. It is through our spirit for innovation and proper environmental utilization that we create automotive products that improve preventative maintenance and allow vehicles to operate at peak performance.


We strive to be recognized globally as the preeminent designer of automotive products made to enhance automobile performance through improved preventative maintenance. As Magna-Guard is known for unsurpassed quality and creative excellence in every aspect of its operations, we shall realize this vision by introducing products bearing the characteristics of sound, innovative design and by continually striving to maintain a focus on the needs of consumers.

We shall create relationships with strategic partner resources that align with our values, principles, and commitment to offer products recognized for their innovative design, cost efficiency and resourcefulness.

Executive Team

Ron McElroy, Founder & CEO
Ron McElroy is a quintessential talented overachiever. As a product design engineer, he has received two “Best New Product Awards”, and Four “Product Innovation Awards”. He has created and brought new products to the automotive market that have revolutionized the way aftermarket electronics integrate into OEM audio systems. His Latest innovations have changed the dynamics of performing fluid preventative maintenance services and extending vehicle service life.

McElroy is also a dive master and world class blue water spear fisherman, an award winning chef, a band leader, accomplished composer and musician, a published author, the founder or co-founder of five cutting edge companies including Magna-Guard, Inc. and the owner and captain of the good ship the Artic Witch, a sixty foot wooden ketch built for North American expedition. McElroy has also served his country in ths United States Air Force as an airborne crypto communications technician flying missions aboard Super Connie C121 comand aircraft during the Vietnam War.

Linda McElroy, Chief Financial Officer

Steve Lynch, VP Sales & Marketing

Alan Paradise, V.P. Marketing

Henry Castro, Director of Communications/Branding

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Call to Order

Please call us to order Fluid Rx Diagnostics products. If you have any questions, we would love to assist you.

We are available from 8am - 5pm PST, Monday - Friday.

Call: 855-53-FLUID or 855-533-5843

PR: Alan Paradise