If anyone is interested in tracking the climate of their farms on their smartphone I'm producing a Temperature and Humidity Sensor & App with Alerts. Some of our customers are Aquaponics Farms and we're working on a Waterproof Temperature Probe that you will be able to place in the water.

Here's more info:

http://www.kokonaut.com http://www.instagram.com/kokonautweathersensors

If you do decide to buy, you can use promo code EARLYADOPTER10 for $10 off