Nutrients for flowering

Question on nutrients and for flowering. 2 plants in 3.5 gal pots. 5 days into flowering so far, plants are usually ready for water every 6-7 days. Alternating FF trio, with a kelp tea blend during veg. For flowering would anybody recommend a little bump on the nutes with the kelp tea? If not I’d be looking at 2weeks for every nutrient feed. Hope all that makes sense. Plants are in 27.5x27.5x63 under a Mars ts1000 at full strength with a fan. Plants look good to my novice eye. Thxs for any input
 
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