thanks, i have no room inside. they are out in the hot Caribbean sun. for roughly 12 hours. think the soil is crap. the hydrp shop is very far off for me to get some foxfarms.. i never thought they would flower this small.
Those autos can flower SUPER-fast. I have one going outside and it hit full puberty with apical flowering before three nodes! Here she is at 3 nodes...
My semi-educated wild guess at your plant's problem would be water-logged soil/root-rot and/or over-feeding possibly ? Do you have access to any other kind of potting soil ? If not then poke some more holes in the bottoms and sides of the pots, then flush the shit out of them(literally)with distilled or purified water. After it dries out enough that you can notice the lightness of the pots, flush again.
Anyway, pretty hard to nail the problem through the interwebs but that's my contribution fwiw lol.
Oh shit I almost forgot, do you get a lot of salt air where your plants are?
edit: ps, look up getawaymountain in the outdoor forum, he grows in coastal regions a lot.