ONA - ONA BLOCK TROPICS - 170GR Grow rooms If the growth period is

If the growth period is longer

Measures conductivity and TDS with automatic temperature compensation

Its use can also be extended over time by reloading ZerumPro Refill

Flowering time: approx

ONA - ONA BLOCK TROPICS - 170GR Grow rooms If the growth period isOna Block Odor neutralizer Tropical The ONA Block is ideal for small areas such as closets, foyers, attics, cars, gym bags, boats, kitchens, garbage cans, cupboards or vents. Inserted inside an activated carbon filter it will increase its effectiveness by completely neutralizing the odor in the room. ONA products are 100% natural and ecological. Simply remove the cap, or punch several small holes in the cap and place in desired location. If you insert