Seachem Flourish Excel
*2 Liter treats 400 gallons for 1-2 months, the 500 mL treats 100 gallons for 1-2 months, and the 250 mL. treats 50 gallons for 1-2 months
* SeaChem calls Flourish Excel Liquid/Organic carbon for the planted aquarium.
However; better is that Flourish Excel works in part by limiting algae growth on plant leaves, allowing the uptake of carbon naturally produced in a healthy aquarium that would otherwise be used by the algae growing on these leaves.
* Flourish Excel also has iron reducing properties which promote the ferrous state of iron (Fe+2), which is more easily utilized by plants than ferric iron (Fe+3).
* Contains NO phosphate or nitrate
*Since Flourish Excel is aldehydes bases it is also a Reducer improving your aquatic Redox