The 417 Hz tuning fork is optional in Biofield Tuning, but much appreciated for its nuance. It can be used in place of or along with the 528 Hz tuning fork, and is recognized for its grounding and opening properties.

When combined, the 417 and the 528 Hz Unweighted tuning forks create a binaural beat of 111 Hz. Many people enjoy using these two forks together, holding one up to each ear to experience the 111 Hz.

We sell two types of tuning fork activators to get the maximum performance from your weighted and unweighted forks.

Watch this video for instructions on the best way to activate your tuning forks.

To clean your Biofield Tuning forks, we recommend using warm soapy water (hand or dish detergent work equally well).

Use a soft-bristle toothbrush to clean divots and interiors. Lay upright on a dry paper towel to allow water droplets to depart from crevices.

Be sure to pat dry after washing to avoid discoloration.

Use alcohol wipes for easy disinfection in between uses.

Biofield Tuning forks are manufactured in America with a premium aluminum alloy and a proprietary finishing process that minimizes absorption into the skin, maximizes sustained vibration, and extends fork life.

After having many forks fail during tuning sessions, Eileen worked for years to develop a premium alloy that would better withstand the stress that Biofield Tuning places on forks. This alloy proved to be the most resilient while maintaining our high standards for clear, sustained working tones.

This alloy produces audible overtones in our unweighted forks and sustained vibrations/frequencies in our weighted forks, which are critical elements in producing optimal results in Biofield Tuning.

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Our metal accessories contain nickel. The Circuit and Contour Boots are made of stainless steel, which contains a very small amount of nickel to achieve its corrosion resistant properties (similar to the amount found in a stainless steel spoon or fork). Our Handle Extender is aluminum and is plated in nickel to create a corrosion resistant barrier between the metal and its environment.

If you have a slight allergy to nickel, you may wish to try this product: Nickel Guard - No Nickel - Protective Coating Solution for Nickel Objects (or another similar product).

For those with a higher sensitivity to nickel, we suggest avoiding the Handle Extender, and instead recommend the stainless-steel Contour Boot or the Circuit Boot.