Granular ferric oxide or GFO, not only clouds the water when used, but also leak small black colored particules into the main tank.
In contrast, Phosphree keeps your tank water clear and sparkling.
Maxspect LED
Spend over £50 on your order and qualify for free shipping.
We offer flexible monthly finance options.
As a thank you, we run the Charterhouse Points scheme.
Takes the hassle out of regular ordering.
Spend over £50 on your order and qualify for free shipping.
We offer flexible monthly finance options.
As a thank you, we run the Charterhouse Points scheme.
Takes the hassle out of regular ordering.
At Charterhouse Aquatics we stock the largest range of aquarium dry goods in the UK. We have full design, installation and maintenance services.
Address: 14 Merchant Drive, Mead Lane, Hertford, SG13 7AY
Telephone: 0203 697 3750
Company Number: 02872980
VAT Number: 854458301
© 2025, Charterhouse Technology Ltd