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Im no expert but it occurs to me that UVB during the veg state would be counter productive. Plants can get cancer too! I will be confining my UVB exposure to the flowering stage. I am also going to expose half of my test crop during the fattening stage.

This is an important piece of info! It is assumed that THC is produced to protect the cannabis from herbivores. It also has been discovered that the crystals block UVB 275nm - 325nm range - the most harmful part of the electromagnetic spectrum. Im no science wiz but it seems logical that any...

I bought seeds from amsterdam that were all supposed to be feminized. They grow big and strong then grow balls. So disappointed! The seeds cost a fortune! Did i do somethin wrong or did i get scamed?

Help again My seeds were supposed to be feminized. they cost a fortune and they all have balls! Did i do something wrong. They look so healthy

I did soak the rock wool in a low ph solution. I have a 1000w light and i moved it away and everything seems to be doing really well now. just the tips were effected. I also flushed with a nuteral solution. Its hard to believe these gals are only 10 days old! thanks for your time and expertise...

IM doing my first grow. I Got seeds from amsterdam and started then in rockwool. They all came up but now the tips of the leaves are turning yellow. Any advice would be appreciated.