Grodan Macro Plugs, 35 packs of 50 count The meter can easily and

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

nutrient uptake while also directly feeding the plant and reducing abiotic stress — all with the lights on — no damage or burning — and you only need to spray the tops of the leaves — OVERGROW

which is hardwired into a ceiling mounted junction box supplied with minimum 40 AMP service by a licensed electrician working with an electrical engineer

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

House & Garden Multi Zen

Grodan Macro Plugs, 35 packs of 50 count The meter can easily andThese 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.