AquaTop Submersible Heater 50w GH-50 Temperature Control It comes with four glass

It comes with four glass test tubes

Menadione Sodium Bisulfite Complete (source of Vitamin K Activity)

For such active and colorful fish

Testing water parameters weekly helps prevent invisible water problems that can be harmful to fish

AquaTop Submersible Heater 50w GH-50 Temperature Control It comes with four glassGH 50W Glass Heater Maintain constant and stable temperatures for your aquatic creatures to thrive with AquaTops GH 50W aquarium heater. This analog glass heater offers simple and easy installation with the use of the included suction cups and can handle aquariums up to 13 gallons. With the highly visible temperature setting, the GH 50W is easy to set and adjust to the desired temperature with the use of the Temperature Adjustment Knob. This powerful