I have used baking soda a teaspoon per quart spray with a little dishsoap. I had problems last grow because baking soda didn't work. Finally I ended up using 5-10 ml of clonex solution, (the quart bottle.). works great. I had some black crud that wanted to take over but it couldn't take...
I have been a small grower off and on for twenty years or so and I am real wrinkly and I am slobbering apple sauce all over my shirt. But don't let that put you off from reading the rest of this note.
To start I have been reading on various forums over the years about if you grow in...