Standard Commercial NFT Growing System Options:2012HL Standard System - Lettuce Calibration solution is essential for

Calibration solution is essential for the correct operation of electrodes and for obtaining the most accurate and reproducible readings

and easy to use

including humic acid

Place enough Roots Organics B2 in the pot to allow the top of the plant's root ball to be about two inches below rim of pot

Ideal for High Water Exposure Areas

Standard Commercial NFT Growing System Options:2012HL Standard System - Lettuce Calibration solution is essential forPLEASE NOTE This item ships direct from the vendor. Freight will be quoted at time of order. Hydrofarm freight incentives do not apply. If you have questions about this system, call the American Hydroponics support line: 888. 993. 5780 2012HL STANDARD SYSTEM 1152 total sites The 2012HL Standard system comes with everything you need to get the system up and running. This system comes with the initial water analysis package, steel table frame, growing