Product review (5 stars): D'Addario May have hit a home run 5 Stars A++ RECOMMENDED
D'Addario Acoustic Guitar Humidifier&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/D-Addario-Acoustic-Guitar-Humidifier/dp/B0002D0COE/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">D'Addario Acoustic Guitar Humidifier</a>&nbsp;and&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/D-Addario-Humiditrak-Bluetooth-Humidity-and-Temperature-Sensor/dp/B019JD0XZ0/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">D'Addario Humiditrak - Bluetooth Humidity and Temperature Sensor</a>&nbsp;are a must have accessory if you have valuable instruments that are exposed to varying humidly and temperature extremes. Failure to keep your high value instruments within the 45 - 55% Spec will result in not only warping  and checking of the finish, top, neck and bridge. Your playability and action will suffer as well. Over time your instrument will suffer tone loss resulting in either excessive repair by a Luthier, or your total frustration and eventual neglect of your guitar. I recently had my D28-12 Martin show signs of dryness after being left in the stand overnight in an AC controlled room showing 40% in the humidistat. There was a puckering look like mini washboard ripples on the top. Long story made short. If you are not checking your humidity and are not taking steps to protect your instruments you will eventually come to regret your mistake. 75% of the guitar repair shop's work is directly a result of low humidity induced damage.  Great tool, I highly recommend it! I included pictures of the twins, Martin D28 and a D28-12, and my 1969 Hummingbird she is as sweet today as it was the first night I brought it home 35 years ago..  HUMIDIFY
---UPDATE--- The new update has fixed all problems with connectivity, battery life (now 6 months) These units pair as soon as I open the app and update the data right away. I do not know why anyone is having problems now. Just update to the new Version 1.15 and your units will function correctly.
5 Stars A++ RECOMMENDED
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