tonymission
New member
http://greenleafaquariums.com/aquarium-fertilizers-supplements/potassium-nitrate.html
There you go. High purity powder KNO3. Good stuff. Clean. And a little goes a long way
One teaspoon mixed with 500 mL RODI will raise nitrate 4-5 ppm in 100 gallons of tank water
Do i have to worry about the potassium levels at all with this? I'm always around 400 with no supplements.