Agrowtek PBX Sensor Manifold 1" NPT For Hydroponic Sensors Select Model:3 Port Sensor Manifold Grodan PRO Delta Gro-Blocks come

Grodan PRO Delta Gro-Blocks come unwrapped and ready to go

Adjustable gas ballast

Prepare your nutrient container by first adding your pH Stabilizer before adding any base nutrient (e

Promotes chlorophyll production for more efficient photosynthesis

most noteably used as a building block to chlorophyll

Agrowtek PBX Sensor Manifold 1" NPT For Hydroponic Sensors Select Model:3 Port Sensor Manifold Grodan PRO Delta Gro-Blocks comeA Simple, Clean Manifold For Housing Agrowtek's Hydroponic Sensor Probes These sensor manifolds integrate 2, 3 or 4 water tight gland fittings into a 1" PVC manifold for sensing pH, EC, ORP DO and water temperature inline with a recirculating pump. Compression glands have a rubber insert that clamps around the probes when tightened. Manifolds make it easy to install and remove probes for calibration and maintenance. Recommended for flow rates up to 30