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Grow-Tek NFT Hydroponic Channels are popular because of their ease of use, unique design, efficiency and versatility. Grow-Tek Channels are available in different sizes to accommodate all types of hydroponic growing. Whether you are producing flowers, tomatoes, cucumbers, capsicum, zucchini, strawberries, lettuce, herbs or larger leafy crops, there is a Grow-Tek NFT Channel for your needs. No one Beats our price and quality! We offer Commercial Hydroponic Consulting : Planning, Design, Start-up Operational Training. ¥ Manufactured to NFS certified specifications for growing edible produce. Ideal for large and small hydroponic operations. ¥ Contoured base centralizes nutrient flow and contoured lids allow excess water to run off. ¥ Simple construction provides maximum aeration to the roots. ¥ Lids remain secure in all conditions, yet are easily removed for fast, efficient cleaning. ¥ 20 year manufacturer`s warranty against defective workmanship. Premium GT50: 4`W x 2`D New and improved Premium GT50 Series is constructed from UV-stabilized, recycled plastics for long life, and features capping that is nontoxic and NSF certified for safe use. Narrow, shallow channel is suitable for smaller leafed varieties, such as herbs, fancy lettuce and more. Lids and End Caps sold separately. The most unique feature of the Grow-Tek Channel is the removable, snap-on lid that puts you in complete control of your system`s yield. Unlike most hydroponic channeling, which is produced in a one-piece hollow channel with regular holes cut in the top, our removable lid means: ¥ You can grow crops like forage or turf in open channels without the lid. ¥ You can quickly and easily cut holes in the contoured lid that will maximize your yield. By using the appropriate nutrients and watering regimes, you can bring your crops to maturity in minimum time frames. ¥ GT50 Lids w/Holes have 2` predrilled holes, 8` on center. ¥ You have the option to grow different crops throughout the season by simpl