New to indoor grow

Well i have 5 la confidential 5maui wowie and 5 new york diesel…so far I lost a 1 maui and it looks that im about to loose the la…both put in seed starter pellets and put into a red dixie cup the other went right into the 5 gallon bag both watered 2 to 3 times a day i have vent fan and a fan to circulat the air i have a 1000 wat Kingled led grow light i also have a 3x2x54inch tent…the seeds sprout then die instantly the light is 48inches away its not that its not to hot steady between 73 and 77°f humidity is steady between 40 and 50% im using distilled water also have a co2 bag

… im using just natural organic soil with vermiculite…im so lost ive grown outside with hurricanes and have had no problem first time growing indoors and nothing seems to wanna start…

What you should do is put a dime over it to help humidity and temp. And your lights should be very close to them probably say 18inches at least. I mean I’m no pro but that was my problem. Just trying to help