Easy Potassium

Potassium supplement for enhanced plant growth Easy-to-use measuring cap for accurate dosing Safe for fish, shrimp, and snails Potassium is a very important macronutrient for planted aquariums. If aquatic plants don't get enough of this nutrient, they can develop distinctive pinholes that are sometimes rimmed with brown or yellow. While Easy Green all-in-one fertilizer already contains plenty of potassium for most planted tanks, Easy Potassium is a useful supplemental fertilizer for people who are running high light planted tanks with CO2 injection or have lots of potassium-hungry plants (like java fern and anubias).  Please note that we have changed over to dosing caps. Pump heads are still available for purchase.  1. For the 500 ml (16.9 oz) bottle:— Use the measuring cap to dose(1 ml) per 10 gallons of water, 1-3 times a week— Each 1ml adds 2 ppm potassium to 10 gallons of water— Treats 5,000 gallons total 2. For the 120 ml (4 oz) bottle:— Dose 2 drops per gallon of water, 1-3