Salifert Ammonia NH(3) Test Kit 50Tests --- Penn Plax Cascade PF Dimensions: 3-3/4" L x 2-1/4"

Dimensions: 3-3/4" L x 2-1/4" W x 1-3/4" H

or Pondmaster Pond Mag 7 pond pump

Danner / PondMaster Model 18 "Fractionating" Impeller Replacement Part# 16775

Part# A20113

Solid state thermostat

Salifert Ammonia NH(3) Test Kit 50Tests --- Penn Plax Cascade PF Dimensions: 3-3/4" L x 2-1/4"Salifert Ammonia NH(3) Test Kit 50Tests Ammonia and ammonium are substances which should be converted rapidly into nitrite followed by nitrate and nitrogen gas. If this does not happen then the aquarium is not fully cycled or biological processes are not proceeding as they should. This test kit can perform approximately 50 measurements and can detect 0. 5 ppm of total ammonia easily.