I sprayed green clean on some clones for safty measures as I found that one of the plants I took a clipping had mites any ways had a sprayer of green cleaner blasted the clones now couple doing bad they are in 4 inch pots I did a run off ph test came up 4.0 on one plant the rest was 6.8 I checked and rechecked same result with this one plant all others came out 6.8 .. I sprayed the dirt around the plant and assume this is where the drop came from .. How sould I recover form 4.0 I have on hand ph up, epson salt ,and tap water ph 8.0 o and dolomite lime dust . please let me know asap I need to correct this asap thanks