Welcome, you should post a fresh thread to say helloOriginally Posted by harburtlee
The reason to allow 1" to 2" of grow media between the top water level when flooding is to keep algae from growing because algae will take hold in the system and outcompete your plants for nutrients. Also, don't assume this means the plant will "drown" because when the bed drains it provides FAR more oxygen than any aerator could to your plant roots and bacteria!!! I have done the math for fun, and it is literally thousands of times more oxygen. LOLOriginally Posted by keith_r
Yes my friend, those are all better grow lights per wattage, but incandescent bulbs can provide adequate light as well. In reality, I would throw in an incandescent bulb or 2 in an indoor system. Why? Because, the incandescent bulb's spectrum is spread out like the sun, yes the sun. I have a quantitative spectroscope and I have visually inspected the light spectrum for these bulbs. They offer some spectrum and heat that the plants need but might not get enough of from low quantities of florescent bulbs. Anyway, they do eat a lot more power, but if you want to use them for seedlings or to supplement the light spectrum you provide to your plants, it won't hurt!!!Originally Posted by Brier