carbon filters

Good Day Has any one here possibly tried more natural methods of odour control with just using plants, herbs and flowers possibly. A Thread i came across talks about the following plants. Calendula Basil Marjoram Lavender Juniper Lemon Balm Eucalyptus Thyme Rosemary Mint If any has tried...

Hello there fellow gardeners first time grower here. what would one need to do if they where going to build 2 grow rooms onto their garage ( each room is 1.90m width X 2.70m length X 2.5m height). vented into the floor. Each room will be separated and each will contain 8 plants. What can be...