Ok so check this out... is this from the Ph causing lockout in turn showing nutes deficiency or is this from the root aphids some input... and here's my info to hopefully help me get some more responses...

What is your experience level? novice

Your Equipment: .1) Type and wattage of lights? Mh and hps 2 1k setups in each room with 1 spare 1k system if needed, and a 400w cfl starter cab
2) Distance from tops?26" in veg 6" in cab, 24" in fflower
.3) Reflector type? Vented cool tube set-up
.4) Is there a consistent fresh air supply? No, perfect room w/ 1500ppm cco2
.5) Do you have an exhaust fan and a circulation fan? Multiple circ fans
.6) What are the bulb wattages, kelvin ratings, and schedule? All 1k, veg 6k mh blue bulbs, 6500k cfls, hps's dual spectrum for flower, and 3700k hps's

Your medium: .7) Specific brand and type of soil? Fox farms straight happy frog for pre veg, straight oceans for veg, straight amazon bloom for flower
.8) Size of container? Solos to 1gal to 5gal.
.9) Did you use peat pucks (or similar) to root clones or germinate seedlings?seeds go straight into happy frog no pre germ, clones in rapid rooters

Your nutrients and water: 10) Source of water? Tap or distilled with equilibrium(cal/mag) What's it's ph before adjusting? 6.8 +/- .2
11) Method of checking water ph? Drops
12) Method of adjusting water Ph? Ph up and white vinegar
13) Specific brand and N-P-K ratio for each bottle. List dosages (quantity per gallon) and current feeding schedule. Soul synthetics grow 3-1.25-1.25, soul synthetics infinity .5-2.5-1.5, soul synthetics bloom 1.5-4.5-3, following instructions just started feeding a few weeks ago only on two plants but starting others soon(too young) feeding every other water or every other week about the same
14) How often are you watering between feedings, and how much per watering?1 watering between feeding, and water until see run off
15) Any additives or tea's? (Superthrive, CalMag, molasses, Mother's Earth...) equilibrium 1-1-2(Cal/mag)
16) Are your ph levels stable, or do they fluctuate? Have been slowly dropping to less than 4.0 in all fox farm soils(current problen think its bad soil)
17) What is your ingoing water's ph? 6.8 give or take .2 ...your runoff ph? 4.0 or less (current problem)
18) Do you foliar feed? If so, with what, how often, and at what time do you spray? Not currently

Your growroom: 19) Indoors or outdoors? In
20) What size of closet, room or hut? Two 6x7.5ft rooms
21) What are the temps and humidity levels while lights are on? 80f give or take 2deg 50-70%rh ...With lights off? Currently 24/0
22) Have you seen signs of insects in the growroom? Yes, root aphids

Your strain: 23) What strain are you growing? (Indica dominate or Sativa dom?) Delicious northern light blue, delicious carmello, mandala satori, barneys tangerine dream, mixed hybrids
24) From seeds or clones? Seeds
25) Is this an autoflower strain? None, no