Good luck with you're grow, less is always more when it comes too water and Nutes with Auto flowers - Keep going and good luck! Try a slightly larger pot and bottom feeding
@SagarSarkar, Ok, Natural organic materials that can help u alot : You're own urine can be used as a source of nitrogen, 1/4 urine 3/4 water, coffee grounds in the soil are also a great ph down as they are acidic and are nitrogen rich, mix egg shells into you're soil 2 weeks before use and the soil will break it down and take the nutrients from it, use natural limestone too raise ph as this is alkaline, thier are lots of methods too get what u want from home made fertilisers and the nutrients you need