Good morning

can you help, i am a first timer and my seedlings did well in compost pellets.i have just transplanted to rockwool cubes.the seedling are about three inches high with first set of leaves.as they grow the leaves are curling downwards and a couple have started to fall over?
the temp is about 80% the CF is 11 and PH of 5.5 ,growth seems to be slowing too.
The pellets are square and the rockwool holes are round obviously leaving gaps is that a problem?, i know roots need air
light is 55watt fluorescent 10 inches from plant .medium is canna start
watering every four days these are 6 days old.


HELP!!!!!!!!!

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