Haha! Cute!
That would be ACIDIFYING the soil lol! Save the limes for your Tall Cool Ones.
Lime in the gardening sense would be pulverized limestone, or Calcium carbonate. It comes pre-mixed in a lot of soils [ most] and can also be purchased bagged if you need to add more.
I just added a link to my siggy that has a long post about all this stuff... gimme a sec... it hasn't updated yet.
stinkyattic Reviewed by stinkyattic on . How does perlite effect PH? I probably have a very simple question. Here's some background info. My Amish friend has some babies in 16oz keg cups, they look great, and are still in the "seedling" stage of life. All is well, however, when watering with RO water, adjusted to 6.8, (and even down to 6.7) the ph of the runoff still comes out at roughly 7.2-7.28? The soil is foxfarm lightwarrior, and the very bottom inch or two is solid perlite. (Hoping to aide drainage although the fflw is very light and seems pretty Rating: 5