10: people with ADD don't need to pay much attention........
9: the pretty lights don't distract you and make you screw up and give your plants triple does of nutes
8: no PH meter to calibrate and saves you $20-$200
7: no PH meter to drop into a bucket and ruin and spend $$$$$ to replace...
6: no PPM/EC meter needed. You save $40 - $200!
5: no expensive nutes needed! You can grow 100 plants for less than you could grow 4 plants with mineral nutes
4: no air pumps to buy or to break
3: no water pumps to buy or break
2: soil is recyclable
1: Good for the environment
9: the pretty lights don't distract you and make you screw up and give your plants triple does of nutes
8: no PH meter to calibrate and saves you $20-$200
7: no PH meter to drop into a bucket and ruin and spend $$$$$ to replace...
6: no PPM/EC meter needed. You save $40 - $200!
5: no expensive nutes needed! You can grow 100 plants for less than you could grow 4 plants with mineral nutes
4: no air pumps to buy or to break
3: no water pumps to buy or break
2: soil is recyclable
1: Good for the environment