Question: how many grams 1 plant?
Answer: An average of around 100 to 250 grams (400 for experienced growers) with a 400-watt HPS lamp in a grow room that measures 1 x 1 x 2.5 m, An average of around 150 to 300 grams (600 for experienced growers) with a 600-watt HPS lamp in a grow room that measures 1.2 x 1.2 x 2.5 m.