I guess you could say so, I dose allot of brighty K special lights, and Step 2 in this tank which is full of nitrogen and phosphorous....... Postassium is a great suppliment to help keep it greener too. I noteced if you don't dose potassium it starts to yellow allitle. I also dose ECA into the tank allong with the step 2 to help bring out some of the reds in the tank. I am trying to get the Blyxa japonica, and the ludwigia acurata to turn bright red. the make a great contrast against the stunning green of the riccia and HC.
