Hey Krichal
its nice to see a girl growing indoor
,, actually i found the problem im working on it. and ill do my best to help ya , cause i know it hurts when u find u babies going yellow lol
first of all how old is ur plant ?? how many plant u have ? and how many plant is yelloweing ??
the bottom leaves getting yellow color cause the top leaves getting the niterogen and the food from the botom leaves , my 22 days old plant Only ( its the oldest one ) got yellow leaves from the bottom and that what made me sure , so that means plant needs Nutrients cuse it cant get food from the soil its getting it from the bottom leaves , i will start nut 1/4 strength and if the problem ddnt solve ill add 1/2 strength and ill keep intouch with u to let u know the result but im sure about it ,,,, my temp reaches 90f some time its not a big deal thats normal but its better if u add a fan in order to control the temp..
i wish u the best grow