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Neptune Liquid Level Sensor - 4"Never before offered in the aquarium industry the LLS Sensors allow for the measurement of water depth in inches or centimeters. Available in four different sizes 4, 15 23 and 35 each sensor has a special place in helping understand the water level in the sump, aquarium, reservoirs, and other liquid holding containers. No longer does one need to physically look to observe how much water level is above or below a specific point, but now simply open the

You can use it to shut off a heater

Pacifica Krill

Gallon (treats 25

so there is no accumulation of sodium or potassium

Take 1 Liter (0

Smart Stir will do the annoying labor for you especially when you have to do several tests

03 ppm (expressed as phosphorus P

during periods when dissolved organic material is

and other devices

Recommend PFO hqi ballast or Eballast

however vitamin-C has been consistently observed to have a positive impact on immune systems

Custom Heavy Duty Sponges