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True, however this lets me use the lights for other purposes. I grow more than tomatoes after all.The older ones are great for side lighting, or veg growth and training.

I do not think any advice will at this point.

For a basement grow, the main issue is excess humidity. Warm air coming into contact with cold walls = mold. Best to insulate and seal the room tighter than a submarine, then work on the circulation system. Air MUST be moving all the time if you are after high yields - good clean dry air in, and...

HPS is definately warmer, and should be vented out. Good ventilation is also required into the space (nice to have a carbon scrubber to keep dust, pet dander, and cooking smells out at this end), and good ventilation out of the space (again a carbon scrubber is a must) the filter on the intake...

I started growing after a long hiatus again about 5 years back, and went with 3-gallon flowering pots, quickly switched to 5-gallon pots (the food-grade kind that are used for making wine - with holes drilled in the bottom and lower edges), then I was introduced to the joy of cloth pots, and...

Aluminum foil is too reflective with little dissipation. Much better to use white/black plastic (white facing inwards for obvious reasons). Foil or mirrors are a poor choice as you can focus reflection off the lights that can cause some serious damage to your plants - especially right after...

I started using LEDs about 5 years ago - I went cheap at the time for a cheap light, then kept at the same price point for subsequent lights. Needless to say, I am running a bunch of MARS 300W equivalents that are pretty inexpensive and a couple of 1000W equivalents that are the same price. All...