Niwa CO2 Sensor Royal Gold Ideally moisture should just come

Ideally moisture should just come to the surface when squeezed

which is what keeps the per-packet cost down

Growers run it as inline exhaust through a carbon filter or as fresh-air intake

Give your plants the advantage they deserve with this potent NPK source

30 Packs Per 5 Gallon Bucket: Sealed in liner bags inside the pail

Niwa CO2 Sensor Royal Gold Ideally moisture should just comeNiwa CO2 Sensor The Niwa CO2 Sensor is an essential accessory for any serious grower using the Niwa Grow Hub system. Designed to be fully compatible with all Grow Hub models, this sensor does NOT work as an independent sensor. Once you receive your CO2 sensor, you'll simply replace your existing sensor module with your new CO2 sensor module. This means you can continue to receive all the preexisting readings you had before (VPD, temperature, relative