12-14-2002, 09:59 PM
|
#2 |
| Senior Gardener
Join Date: Oct 2002 Location: Lurking in the shadows of your grow rooms.
Posts: 927
Thanks: 0
Thanked 1 Time in 1 Post
| I have herd of people using it but they said that they need to use a lot of it because it was weak. I use potassium sillicate for ph down and phosphoric acid 85% for ph down. Both are easily located in most hydro shops. |
| |