Quantity   Component name
1 × Arduino Zero
1 × Muscle SpikerShield Backyard Brains
1 × 40 gallon fish tank
1 × 10 gallon fish tank
4 × Black Ghost Knife Fish
2 × Air pump
2 × Water filter
2 × Underwater heater
4 × Carbon electrode rods
2 × Feet PVC pipe 1.5 inches inner diameter