Sure looks like Cal. deficiency. But you have to know exactly what your plant's situation is before you throw Cal. at it. Could be a combination of things. Your leaves look pale overall, need better pics though, without looking through a screen. Throw up your medium(contents) and nutes schedule and someone will be able to help further.
I appreciate the advice. The soils FFoF, feeding schedule is water, feed, water, feed, but was told that was to much fert goin on so I switched to water, water, feed. The soil I noticed isnt drying as fast as the bigger pots, feels cooler, damp....I raised the WR pots so it they stayed warmer.
I recently fed all blooming nutes 1/2 dose, with 1 tsp of Cal/Mag. Seems to have slowed it a littles, but it still has majority of the plant. I just wanna throw the damn plant on the freeway