Not flowering auto's

17.2 Not really sure what's going on. They are 5 days in 12/12 cycle and still no flowering. Allready my other plants started flowering and they not. All get some cal mag and Organicus in water. Part from that feed with Easy Boost BioTabs D59 669ppfd Water on Eye PH 6.2 EC 0.2 Reused D46 801ppfd Water on Eye PH 6.2 EC 0.2 RQS D39 798ppfd Water on Eye PH 6.2 EC 0.2 19.2 Defoliation BioTabs D61 Water on Eye PH 6.4 EC 0.8 Reused D48 Water on Eye PH 6.4 EC 0.8 RQS D41 Water on Eye PH 6.4 EC 0.8 21.2 First signs of flowering BioTabs D63 Water on Eye PH 6.5 EC 1.0 Reused D50 Water on Eye PH 6.5 EC 1.0 RQS D43 Water on Eye PH 6.5 EC 1.0