small plant problem

First of; thanks for taking the time to read and potentially offer advice. A brief background. This is my second grow. My first one is 4 weeks away from harvest (picture attached, ignore the seedling that's there, just experimenting with an auto) They're in a 1.2m X 0.6m X 1.5m tent. The crux...

Hello İ am growing critical plus under 250 watt mh lamp its been 1 month from germination but they are only about 4'' long. Humidity around %50-%60. Temperature 25-30 but mostly 27-28. Pots are big 6 gallon pots. Vantilation working pretty good. Using general organics grow nutrient . İts my...