Thermometers, Hygrometers & Other Meters

The moisture and temperature of the air in your grow room can have a huge effect on your plants. Make sure you have the correct moisture, humidity or temperature with Hydrobuilder’s thermometers, hygrometers, and oxygen meters to make sure your equipment is working effectively in your grow space.

Why use a thermometer in the grow room?

As you may know, plants thrive within a temperature range of 70-80 degrees Fahrenheit. When temperatures are too high, plants will grow very slowly. Excess heat can lead to mold, powdery mildew, and many pests. During harvest, heat can reduce the potency and aroma of your buds. If temperatures are too low, plants will stop growing altogether, as they think the season has changed. Eventually, the plants can perish if temperatures are too cold.

For these reasons, growers need to take extra steps to ensure their growing space is the optimal temperature. Using a thermometer will allow you to take the steps to heat or cool your grow room if necessary, using air conditioners or heaters.

Some of the thermometers here, such as the TrolMaster Aqua-X 2-in-1 EC + Temp Sensor for Reservoir, are designed just for monitoring temperature in your hydroponic reservoir. This will allow you to determine if you need a hydroponic water chiller or heater.

Many of our garden thermometers here at Hydrobuilder, such as the Sure Test Temperature and Relative Humidity Data-Logger contain integrated hygrometers, allowing you to monitor two things with one device!

What is a hygrometer and how does it work?

A hygrometer is responsible for measuring humidity in the grow room. This is one of the most important aspects to control in your growing space, as moisture plays a vital role in plant processes.

Why measure humidity in the grow room?

If humidity is too low, plants will dry out. Since they are not receiving any moisture through their foliage, they will overcompensate by up taking moisture through the root system, which can lead to nutrient burns. Grow rooms or greenhouses with inadequate moisture levels should use a humidifier.

If humidity is too high, plants are susceptible to developing mold, mildew, and other pests. A halt in growth will also follow. Grow rooms with excess humidity should use a dehumidifier.

Grow room refractometers and dissolved oxygen meters

Other meters we carry here at Hydrobuilder include refractometers and dissolved oxygen meters. Refractometers are used to measure how much light is redirected when it comes in contact with a surface, which in hydroponic applications, is usually the nutrient solution. A dissolved oxygen meter measures how much dissolved oxygen is available to plants, which plays a vital role in nutrient absorption and aeration.

If you are unsure which thermometer or hygrometer is right for you, reach out to our experienced growing staff at 888-815-9763 and let us help!

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