Star Dog Well-Known Member Apr 5, 2021 #41 I'm not sure the exact % but it's around 20% (at a rough calculation) more oxygen available, or maybe just 20% less nutrient it might not necessary equal 20% more oxygen, regardless it does show a difference between brands.
I'm not sure the exact % but it's around 20% (at a rough calculation) more oxygen available, or maybe just 20% less nutrient it might not necessary equal 20% more oxygen, regardless it does show a difference between brands.
