Grodan Macro Plugs, 35 packs of 50 count • Durable 10’ length providing

• Durable 10’ length providing flexibility on proximity to available electrical outlet

Remote CO2 sensor probe w/photocell & 15' data cable lets you take readings from proper grow room locations

The meter can easily and quickly be recalibrated with digital calibration to pH 4

• Large 3-color backlit screen gives you clear information

provides nutrients to maintain a high starch content in crops

Grodan Macro Plugs, 35 packs of 50 count • Durable 10’ length providingThese rockwool plant starting plugs feature a slit for easy insertion of rooted cuttings. Ideal for growers using aeroponic EZ Clone machines. They fit perfectly into the holes of any standard rockwool blocks, inserted into pebbles, or any other type of growing media.