Tips On Using
Use the following tips to get the most out of your Thirsty Light:
Different soil conditions can affect the Thirsty Light’s sensitivity and the timing of watering alerts. For example, excess amounts of dissolved fertilizer can make the Thirsty Light read “wet”, sensing moisture when it is in fact low. Use common sense: if your plant is wilting, the LED alert isn’t blinking and the batteries have a charge, water your plant and adjust the watering frequency with the Fine-Tuning Performance techniques.
A plant’s soil dries from the top down, so the depth at which you place the Thirsty Light’s Drypoint sensor can influence the time between watering alerts and determine the Thirsty Light’s performance, as explained in the Fine-Tuning Performance section below.
Be sure the soil is compacted around the sensor, as loose soil may result in a false “dry” reading. After inserting the Thirsty Light into the pot, do not wiggle the device, as this can loosen the soil.
The Thirsty Light does not work in extremely coarse or sandy potting mediums, as it is difficult for the sensor to get good contact with the soil. This is especially true with the bark mixture commonly used for orchids.
The Thirsty Light is not ideal for monitoring plants with a “thoroughly moist” cultural preference, as in those cases, it would never be triggered to blink. These kinds of plants require frequent care and watering.
The Thirsty Light’s probe is made of brass for maximum product life. As with all brass, a patina (a change in color of the brass) will develop after just a few hours of constant contact with the soil, which is normal and will not affect the sensitivity of the device. In fact, the patina aids in the prevention of future corrosion.
The Thirsty Light’s probe collects mineral deposits over time with the Leave-in Method, which is normal. We recommend periodically wiping the probe with a moist cloth and drying it.
Water the soil, not the Thirsty Light! Take care not to submerge or pour water directly on its pod.
It is easy to fine-tune the function of the Thirsty Light to match your specific plant’s needs. To do so, you must observe the frequency of watering alerts and the health of your plant. If a plant appears to be wilting between watering, the drying time may be too long. If you find yourself watering frequently (more than once per week) then the drying time may be too short (except in the case of “thoroughly moist” plants).
If you determine that the time between watering is too long, you can shorten the time by inserting the sensor to a shallower depth, where the soil dries first. We do not recommend having the tip less than 2" deep.
If you determine that the time between watering is too short, you can lengthen the time by inserting the sensor deeper into the soil where it stays moist longer.