With the soilless grow mix you are using you would be better off with a Ph of 5.8 to 6.5 at most. The closer you can keep it to the 5.8-6.0 mark the better off you will be.
Zandor Reviewed by Zandor on . useing vinagar someone said use vinagar to lower ph how much per litre? im growing in coco/perlite/claypebble mix ph 7.5 how restrictive to growth is this? Ive been useing 3ml per litre canna coco A + B, 500ml per plant. they are 4weeks old 10" x 10" and just put to 12/12 under 600HPS. All advice greatly appreciated:thumbsup: Rating: 5