Zoo Med Betta Therm Heater food trail promo Suits aquarium size: Up to

Suits aquarium size: Up to 20cm

general hardness (GH)

Formed deep inside the giant volcanoes of New Zealand this sand worked its way down the estuaries and rivers to the ocean

Pure Magnesium Sulfate

Naturally biodegradable and eco-friendly

Zoo Med Betta Therm Heater food trail promo Suits aquarium size: Up toCompletely submersible Mini Size Betta Bowl Heater! Increases water temperature 5 10F over ambient room temperature. Mini Size Betta Bowl Heater! Now with Thermal Shut Off at 26C Completely submersible (Bury under gravel). Increases water temperature 5 10F over ambient room temperature. Fits most fish or Betta bowls. Can be used on both glass and acrylic tanks.