Change the water regularly for plants grown in hydroponics systems, or?If the water is recycled, with the system to reduce the contamination of the.Microbial and/or chemical
Change the water regularly for plants grown in hydroponic systems a. Or if the water is reused. A system to reduce contamination of microorganisms. And / or chemicals
The change of water regularly for crops grown in hydroponic system. Or if water reuse. Make a reduction of contamination of microorganisms and / or chemicals.