XL Red and white Comet 20-24cm bubblemagus As mentioned above

As mentioned above

Simply add fresh water

1ml per 100 litres to raise 1ppm of Magnesium

the hydrometer can be permanently installed inside the tank for continuous readings

Recommended Tank Size: A minimum of 60 litres

XL Red and white Comet 20-24cm bubblemagus As mentioned aboveOverview Family: Carassius auratus Pond Goldfish are hardy, active fish well suited for outdoor living in well maintained garden ponds. Known for their vibrant colors, graceful swimming, & social nature, they thrive in cool, oxygen rich water with plenty of space. These goldfish are excellent for beginners & can coexist peacefully in groups or with other non aggressive pond fish. With proper care, they can grow large & live for 1020 years or more,