Can i use aluminium foil to reflect the light of my growroom and if yes do i use the dull side or the shiny side? what's the OLH (optimum light height) of a 250W HPS? and thirdly how much bicarbonate of soda to vinegar should i put to produce half a cubic foot of CO2?
alkbud Reviewed by alkbud on . Aluminium?! Can i use aluminium foil to reflect the light of my growroom and if yes do i use the dull side or the shiny side? what's the OLH (optimum light height) of a 250W HPS? and thirdly how much bicarbonate of soda to vinegar should i put to produce half a cubic foot of CO2? Rating: 5