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What is the difference in these products? Isnt it the same bacteria in each bottle? Huge price difference! Hydrogaurd label says it has .038% bacteria and is clear. Southern AG says it has 98.85% bacteria and is like chocolate milk. Is this because it so much more potent? Is Southern AG safe for a recirculating ebb n flow system? Thanks for your knowledge and advice guys.
from Hydroponics / Aeroponics https://www.rollitup.org/t/hydroguard-or-southern-ag-gff.1015434/