first time closet grow t5

first time growing in our closet we have 1 t5 and 1 35 watt cfl probably gonna stick another one in there we got a nexus and critical kali mist growing from seed which are 3 weeks old now a grand daddy purp clone weve had for about a week and a half and an unknown seed... any tips on growin better would be appreciated let me know first time so were still learnin soo comments will help