Aqua Master E300 Pro EC Electrode Chemicals while the lightweight

while the lightweight

Pre-drilled hole is located  2" from the top of the ground post

Stronger & larger root system

and provide superior water-holding capacity and aeration to roots

Aqua Master E300 Pro EC Electrode Chemicals while the lightweightDescription Aqua Master E300 Pro EC Electrode: This replaceable electrode is suitable for the Substrate EC Temp meter E300 Pro. The electrode is designed to be almost unbreakable and crafted from stainless steel. For guidance on how to replace the electrode, refer to the provided user manual or follow along a tutorial video. Storage Recommendation: It is advisable to store the EC electrode with KCl storage solution placed inside the protective case