Bengaluru Biologist Shares How She Grows Greens in Her BalconyAgricultureBy Serene Sarah Zachariah07 Sep 2020 11:56 IST“The pH level of the water you use for hydroponics farming is very important. The water needs to be slightly acidic (around pH 6.5), so I add a little bit of tamarind water to level it out.”Read More