The Flux Foundation a 501(c)(3) non-profit organization. All donations are eligible for tax deduction. Square Cash Send donations using the Square Cash site or app to info (at) fluxfoundation (dot) org. Send a check by mail Flux Foundation 1176 Park Pacifica Ave. Pacifica, CA 94044 Donate using Amazon SmileĀ  Register FLUX as your preferred charity … Continue reading Donate