250PE sewage treatment plant

Graf UK systems help the National Trust for Scotland

Posted by Callum Vallance-Poole, on July 23, 2021.

Sewage treatment system by Graf UK delivers multiple benefits for the National Trust for Scotland at Threave Garden. A new sewage treatment system from Graf UK is helping the National Trust for Scotland protect the water environment and minimise its carbon footprint. The old system at its unique Threave Garden and Estate property in Dumfries […]

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GRAF stores water for nursery flowers

Posted by Callum Vallance-Poole, on July 15, 2021.

Gräfin von Zeppelin nursery uses two Carat XXL plastic tanks with 144,000 l volume for watering A colourful carpet of flowers greets visitors from afar, from spring to autumn. Hardy perennials are grown on 5 ha in the perennial nursery Gräfin von Zeppelin in the Markgräflerland region of southwest Germany. More than 2,500 species and […]

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What’s the Best Rainwater Harvesting Tank for Me?

Posted by Callum Vallance-Poole, on May 24, 2021.

When you know what size of tank is required from the tank size calculation, there are then several options on the market supplied in the UK. Many manufactured in the UK, some imported from Germany and other European countries, and many different shapes and options to suit different specific applications. One first important consideration is […]

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What’s the Best Rainwater Harvesting System for Me?

Posted by Callum Vallance-Poole, on May 17, 2021.

Once you have determined what you are going to use your rainwater harvesting system for, whether it’s going to be garden only or a full domestic system, there are several options for pump packages. Garden systems tend to be a more basic pump package which simply includes an external or submersible pump, a short length […]

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Washing machine and toilet using rainwater

What Can You Use Harvesting Rainwater For?

Posted by Callum Vallance-Poole, on May 10, 2021.

This may seem like an obvious question to have answered before installing a rainwater harvesting system to your home, or a new development of homes, depending on your situation, however there’s more to this than you may think. Involved in the answer to this question are several things. If you’re a keen gardener and you […]

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Graf UK notches a hat-trick at Saltway

Posted by Callum Vallance-Poole, on May 7, 2021.

A farm shop that was relocated with an emphasis on saving overheads AND the environment has made use of three different water management systems from specialist drainage solutions manufacturer Graf UK. Saltway Farm Shop, on the outskirts of Banbury (coincidentally where Graf UK is based) features a new Graf UK sewage treatment plant, grease separator […]

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construction drawing for rainwater harvesting

Rainwater Harvesting Standards, Legislation and Regulations

Posted by Callum Vallance-Poole, on May 3, 2021.

We’ve referred to the British Standard 8515, which is the Code of Practise for rainwater harvesting in the UK, a number of times within several chapters of this book. This standard is in place to help users and installers, and retailers, of rainwater harvesting systems, ensure that systems meet certain requirements. Rainwater harvesting is not […]

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Decorative above ground water tank in garden

How to Harvest Rainwater on a Budget

Posted by Callum Vallance-Poole, on April 26, 2021.

It is our experience that many people think rainwater harvesting systems are more expensive than they actually are. Basic Garden only systems with above ground tanks, automatic submersible pumps and rainwater filters can cost under £500, and full Domestic systems with underground tanks and automatic mains water backup systems start from around £1000 for a […]

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Drawing of rainwater harvesting tank

How to Calculate the Size of a Rainwater Harvesting Tank?

Posted by Callum Vallance-Poole, on April 19, 2021.

The right tank size is important for two reasons. Firstly, you don’t want the tank to be too big and collect more water than you will actually use because there is a risk that the water will sit in the tank for long periods of time, and this is not advisable. Secondly, you don’t want […]

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rainwater harvesting system

How to Maintain a Rainwater Harvesting System?

Posted by Callum Vallance-Poole, on April 12, 2021.

All things in life require some form of maintenance to keep them in good condition. This is true of equipment, relationships, vehicles, houses, and of course, rainwater harvesting systems. The good news is that maintenance of a rainwater harvesting system is simple and can often be done quickly and with little cost. There are several […]

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Why would I need a wastewater treatment system

Why would I need a wastewater treatment system?

Posted by Callum Vallance-Poole, on March 1, 2021.

There are several reasons why you might need a wastewater treatment system… You could be having to replace an existing septic tank which no longer meets the Environment Agency requirements under the General Binding Rules. Or  You might be building a new home in a remote location and there is no mains drainage network for […]

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Graf UK Carat Septic Tank

Your Questions Answered About Septic Tanks

Posted by Callum Vallance-Poole, on February 22, 2021.

If you’re in the market for a septic tank for your property, then you’re likely to have questions.  Firstly, why might you need one and what does it do? Septic tanks provide a treatment process to clean the black wastewater (sewage) from your home. Black water is the used water that comes from your toilets […]

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