why are my plants turning yellowish brown? i have corkscrew vals and my lighting is a aqueon modular led. i dose API leaf zone every week which adds iron and potassium. no co2 lights are on about 10 hours
ph = 7.4
ammonia = 0
nitrites =0
nitrates = 0
ph = 7.4
ammonia = 0
nitrites =0
nitrates = 0