Ona Gel Fresh Linen 4 L (Jar) others This powerful sensor combines air

This powerful sensor combines air temperature

✔ LCD Display for Instant Verification

75" provides growers with dependable and even root-zone warmth for seed starting and propagation

Provides precise readings for nutrient reservoirs

8 oz) Gel Jar or ONA 4 L (1 US Gal) Gel Pail

Ona Gel Fresh Linen 4 L (Jar) others This powerful sensor combines airThe ONA Gel is our most popular product. We spent many years developing a blend of ONA Liquid and various suspension elements to result in a product that has excellent dispersion qualities. The ONA odor neutralizing agents are released in a controlled manner so that every drop of this excellent product is fully optimized. Product Sizes ONA Gel is available in the following sized containers: One Litre Jar (32 oz) for general use; just open the lid and