plant growth

Hi, new to all this so excuse me if i've got something wrong or posted it in the wrong place! Need a hand here, my seedlings seem to have white patches over them and bottom set of leaves are drying and dying!! Have attached pics. Thanks!!!:???::???:

Ok so my husband has been growing this new strain for about 3 months. We are using hydroponic have a bunch of air stones using coco rocks on top also using fox farm nutrients & a 300 led light. So we are about 2 1/2 weeks into flowering and yesterday my husband noticed that the plants went from...

Dear Gentlefolks, Winter is coming... My 2 2'x2' LED growrooms are located in a unheated garden shed. and the temperatures are DROOOOOOPING.... I have insulated everything as much as possible. Yet, mister Fahrenheit is doing a limbo. :clap:How low how low how low can you go :clap:. Right now...

Just bought an LED grow light for my indoor plants.I am very like the grow light and my plants also. But I did not know about the LED grow light ago until my friend introduce it to me that LED grow light's functions is very important for plants. The light contains a combination of Red and Blue...

I have been doing research on the use of various proteins. Some interesting information that I found I posted below. I have read about using "milk" in a diluted feeding but can see some issues there. A grower explained the used of bacterial levels within a "soil" medium topped with dung/cow...