Excuse me? Well it's a grow topic and belongs in the grow area. I don't know what you're so miffed about. I grow a trainwreck but it's not the Greenhouse Seeds one. You may want to start training it early. TWs can get weird- large and unruly. If your soil mix works for ya, great. Lime is an additive that keeps acidic peat from harming plants by buffering the acidity, and it adds calcium.