Reasonably priced. Worked great and tank was cycled and ready for fish. Tim's website has a pdf with better instructions on how to use this product.

Tims ammonia method. Decided to use this instead of household ammonia (without additives) to avoid dosing calculations. Used to cycle a 5 gallon planted tank.

Bottle has a squirt top to add drops. Comes with a dropper lid.

This stuff is watered down like crazy. Also, the dropper is terrible. Tested it and showed no ammonia, nitrite, or nitrate.

Save yourself the headache and money. Pretty disappointed. Waited another day and nothing.