we sell marijuana books, psychedelics, mushroom


Gardening Indoors With CO2

by George F. Van Patten
Plants can use up to five times more CO2 than maturally occurs in the air. CO2 , essential to photosynthesis, is often the most overlooked element limiting plant growth. Fertilizing the air with CO2 can shorten growing time and double your harvest!
Packed with the most up-to-date facts and figures on CO2, Gardening Indoors With CO2 shows you how to put CO2 to work in your garden room or greenhouse for super results!.
96 pages 5 1/2" x 8 1/2"

Gardening Indoors With CO2
Price $14.95
Quantity