Bluelab Ph Pen For Soil Testing carbon-filters Ideal for hydroponic systems and

Ideal for hydroponic systems and soil-grown plants

4 Sweeper Bars (2 sets)

and condensing environments (do not submerge) Operating Environment: 32-130°F(0-55°C) with 0-100% RH condensing ok Battery: CR2032 3v coin cell lithium included (2-year battery life) Size & Weight: 1

'Kelp' is derived from the soluble ‘extract’ of seaweed species such as Ascophyllum Nodosum and Laminaria

Adults feed on the underside of leaves

Bluelab Ph Pen For Soil Testing carbon-filters Ideal for hydroponic systems andIntroducing Bluelab Ph Pen For Soil Testing A hardy handheld solution for measuring soil pH and temperature on the go! Contrary to popular belief, all growers need to measure pH, regardless of whether youre growing in soil or in solution. Thats because pH plays an important role in making your nutrients soluble so that they can be absorbed by plants. If your medium is too alkaline or too acidic, your plants wont be able to get all the nutrients they