I stopped using Silica blast in week 2 of flower, now my PH is dropping fast as soon as I add canna nutrients.

[phunkyfarmer]

I've been running Canna nutrients
I've added the water first then the nutrients, the only difference in my grow is i'm not using silica blast anymore as I've heard this is not good during flower.

Does anyone have any suggestions? I've replaced the reservoir twice and the same thing has happened.

Is it the lack of silica? If it's not, should I just put water in the reservoir for a week and flush?

This is the first major problem I've run it to while growing, and know that every day counts know that im in flower. What do yall suggest?

 

[Itscheese94]

Ph up or more silica also certain pk boost will raise ph

 

[Theeighth]

I been using canna with DWC in Few years ago.

On veg PH always good ,5.8 to 6.3 in 24 hours.
But when turn in flower, PH problem blow me up every time. Special when I put pk13/14. I stop using it for a long time.
Too much P or K will get your PH dropping very fast.
I’m try to looking for a way to fix it.

Btw did you check you root? If you are in. DWC too