Help why are my plants producing seeds

Ok so im realy confused about this. I currently have 12 female plants in flowering in a 4 by 4 by 7 grown tent i made out of pretty much garbage bags and pvc pipes. I dont know how old they are but there about 2-3 weeks from being done. I just strarted notcing seeds in the buds and their in every plant now i dont know wat i did wrong. I postive their all females. But i did start from seed and then i removed all the males as soon as they developed. The only thing i can think of is that i dont have a timer so i turn my lights on and off by hand and i might be off 10-15 minutes each time and so i dont know if that can affect them. Any one got any ideas if you need anymore info just ask but please help i dont its probly too late but i would like to know what i did

You got pollinated? It only takes one hidden peeping Tom ( a single sac) on a female, or one blast of grain on the breeze thru an open window, etc.
IF it's actually seeding, trust the trichs and harvest for seedy smoke? Seeds cost money.

are you sure they are seeds andnot just part of the bud
if real seeds you may have a hermi in the group [ Look for bananas]

Probly had one go hermie on you, thats ok if you only got a few. I like finding a couple of mature seeds in a fifty sack. Reminds me its just a flower.

goldenchips said:

Probly had one go hermie on you, thats ok if you only got a few. I like finding a couple of mature seeds in a fifty sack. Reminds me its just a flower.

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I thought that I had seeds too. I plucked a calyx to check, and it was full of clear shit. (Resin?) The calyxes really swell the last couple weeks. Had me freaked out.

Makes me wonder how many folks have trashed plants full of juicy bracts!