The Living Room Black Box Grow Tent 4'x4'x6.5' General Hydroponics Calibration solution for TDS (total

Calibration solution for TDS (total dissolved solids) analyzers

Size: 4" x 4" x 6

Promotes and supports beneficial bacteria and fungi development

When the level is reached the AQUAvalve will shut off and prevent any further water from entering the tray until all the water has been consumed by the plants

MagnifiCal is super chelated

The Living Room Black Box Grow Tent 4'x4'x6.5' General Hydroponics Calibration solution for TDS (totalThe Black Box is a sealed indoor growing space for starting new plants from seeds or cuttings without the need for an exterior greenhouse. Use Black Box to separate plants at different stages of development, vary the internal conditions based on individual plant requirements, or experiment with different lighting to determine the best combination for growth. The exterior is made from a thick black canvas and has a silver reflective interior coating