ALIEN Hydroponics RDWC 21 Pot 3 Row 20L Remote Header Kit Lamps One is for turning the

One is for turning the meter on/off and the other for automatic one or two point calibration

5-18 in diameters

🔩 Comprehensive 138-Piece Bit Set

Stainless Steel for Durability

Bloom also contains lesser amounts of magnesium and sulfur

ALIEN Hydroponics RDWC 21 Pot 3 Row 20L Remote Header Kit Lamps One is for turning theDescription The ALIEN RDWC 21 Pot 3 Row Kit is available in 2 pot sizes and 2 header configurations, with or without an air pump (required for operation). Easy to configure and assemble with advanced features and setup options including the ability to create an aisle in the middle of rows for complete plant access, grow 21 plants to perfection in recirculating deep water culture with this ALIEN RDWC Kit! Specifications Brand: ALIEN Hydroponics SKU: