32c is high, the higher the temp the less o2 the water can hold, if your grow room is quite dry add an open bowel of water to the grow room for the next 2-3 weeks to bring the humdity up until the plants get bigger
ok try this up feed to 1.5ml each water theres (more mg in the fert)
add a 1/4 tsp of molasses to a tiny bit of boiling water to disolve it add this to the feed and use it once per week