Recent content by Astral

Sounds like WAY too much. Start with 1ml/litre, or less, whatever this is. The dosage on the package is the maximum dosage, usually, for a full grown plant at optimal conditions. It's like I took a body builder protein shake bucket and threw a glass of this powder in a bucket, added water, and...

As said, he's got clones in water, that just rooted. Minimum nutrients, 1/8 strength, if roots are clearly visible. Clones with minimal rooting should get trace amounts or none. My trick is to add 15% every 3-4 days. Within 2 weeks you learn the actual limit of nutrient uptake by your plants. At...

Just to add that I had similar spots while ago in a soil mixed with bat guano, right before seeding, and didn't have time to dissolve properly, thus forming granules of concentrated nutrients in the lower portion of the pot. As soon as the roots reached this area, spots appeared, but were...

Very true. 1kW will cook everything alive in this small space, unless your ventilation is extreme. 600W will struggle with heat unless very well ventilated. I've got a 1 meter sq. tent 2m high quite warm with 420W LED lights, which heat up much less. An option is a 600W in a cooltube and good...