Click here to enlarge Hydrion Spectral pH 3.0-5.5 Test Kit $59 Unit * Pick one Each Box of 6 Quantity Add To Cart Reviews Customer Reviews Write a Review Sorry, there are no reviews for this product yet. Related Products Quick View Hydrion Spectral pH 0-14 Test Kit Quick View Hydrion Spectral pH 6.5-13.0 Test Kit Quick View Hydrion Spectral pH 5-9 Test Kit