Do you have the widows and the c99 under the same lights? A little bit of algae doesn't hurt. Are your roots nice and white? Hydro is known for faster growth with everything else being equal.
Gen Reviewed by Gen on . first time growing with no soil my question is i got some widows growing in hydroton sitting in a cement mixer tub with airstones and nutrient mix.i no that the light is causing algae cuz i dont cover the water just change it every week.will the algae hurt the plants its not that bad but im just curious. my widows that are like 20 days veg are way bigger than my c99 in soil thats been veg since jan 1.soil is slow indoors. Rating: 5