Español 
Deutsch 
Русский 
Good overall product
You guys need to add OptiCal Mg to your nutrient list on this website so it dont show up as custom haha
The Growth Technology was founded in 1984 in Australia. The company began to create hydroponic nutrients for their own commercial yields. But in a short time it strated selling to other growers.
Today Growth Technology is a producer of nutrients that is famous among the growers all over the world. The company always uses the innovation to ensure the high quality of the final product.
The professional experience and the great reputation of the company help to create fertilizers that make a cultivation easier and more successful.
Features:
awesome for stems. plant no 3 was very fat with big colas and this silicon had made stems so strong that they did not require any support.
It doesn't make any extra effort, but it didn't make any negative effect.
I did topping on week #3 and have been doing LST during the last 4 days. 
I am growing Auto Black Opium(Divine Seeds).
Check out this long reach, back of tent, 2-in-1 leaf cutter/remover I made. Just a lazy man grabber tool, magnets and razor blade... 
You guys need to add OptiCal Mg to your nutrient list on this website so it dont show up as custom haha