One of the biggest problems with natural fertilizer experiments i had was the lack of Phosphorous and Potassium in them, especially ones that are bioavailable. Calcium, carbon, Iron and nitrates are easily found in nature. Hence, i am doing this 2 week challenge to see if TNC Liquid complete aquatic plants fertilizer works.
TNC liquid complete aquarium plant food USA - http://gestyy.com/eprvgY
TNC liquid complete aquarium plant food UK - http://gestyy.com/eprvhn
