How did you raise with silicate? How much did you have to use to raise a point?
it depends on what brand silica you use as to how much
I used 1 gram per gallon of potassium silicate powder
which is about 1oz per gallon silica blast
silica raises ph of water significantly ... I cant say with accuracy but id say the water ph after adding the silica was ph 8.5 maybe higher.. added it into the soil and a couple hours later the soil ph was up
if you want to wait a couple days I can report back to you on how it works out... I just did it yesterday!
watered it in heavy and it raise the ph from 5.5 - 6.2 on a couple and from 5.8 to 6.4 on the others
So I am new to this site. Haven't growen in a good 6 years. Sad to say, I lost some knowledge along the way. Let me start by saying I grow outdoors in pots. The soil where I live is shit and would need too much amending to be even acceptable to grow in. So I have seedlings in one gallons, some plants about a foot in a half in 2 gallons and 3 in 5 gallon pots. As far as my soil pH goes, one 5 gallon goes from about a 6.5 up to about 8 as I go deeper down, and one goes from about a 6.6 6.7 down to about a 5.3 as I go deeper down. How would I got about getting the soil pH close to the same all around? My well water comes out at a 7.0 ph. Nutrients being used are Fish Emulsion 5-1-1, Grow more 3-1-1, and MG Liquafeed 12-4-8. I am watering every few days as the soil dries out and feeding every other watering. There is some spots that look like light burn that are bleach colored and there are some spots that are completely dead brown and crinkly to the touch. Could it be not enough nutes? Too many nutes? Under or over watering? Potassium,Calcium, or Phosphorus Defficiency? I gave the 3 in 5 gallon pots some hydroplex 0-10-6 and it seemed to lighten the problem up but it still exists. Any help would be greatly appreciated. 
