Let me tell u something about organics.. It's all bull shit! I did it for several years then I got into chemistry. I then realized the whole world is made of chemicals.. The rain that falls out of the sky isn't even organic. You can find man made contaminates in rain water. That's truth! If your doing organics because your looking to be self sustainable and using compost/waste from food you eat that's one thing.. And right on rock it out! But if your growing organically just to say your growing organics you may want to rethink some things. If you use semi organic nutes like Botanicare, gh and others you will get much better results, along with hygrozyme and great white products.. All those beneficials break down the chelates that bond npk. Essentially your plant is organic because it's using only organic molecuels from the chemical compounds
it's all chemistry brother.. If u still insist on the organic rout you can use lime, dolomite and citric acid for ph up and Down