Garden water feature:fountain

Perhaps it is time to add a bit of life or sparkle to your water garden scene with a fountain, to give it that eye-catching appeal that demands your attention. Maybe you want to give the fish a view of their surrounding.

It may be that although there is a mass of the right sorts of plants, the fish are other verge of overcrowding and a little bit of technology in the form of a filter and possibly an ultra violet clarifier would help keep things cleaner, clearer and a more healthy environment for the fish. Possibly you want to add the drama of a waterfall or a cascade, even incorporate all four together.

Whether you want to incorporate them in your new water garden scheme or add it to an already existing pool, the most suitable equipment for whichever purpose can seem a little confusing at first sight, even to those of us familiar with the stuff. However there are number of rules of thumb that have always applied to these things and using them will help you feel confident in buying the right equipment for whatever effect or purpose and that it will be suitable for the task you put it to. 

The water garden trade and industry have moved on apace over recent years and some companies have recognised that here is a market that deserves products that have been designed and developed properly. The result is that products look new and very different and there is a lot more choice from a number of manufacturers competing in the market, providing confusing arrays of size and performance within their own ranges.

Although these products do the same job perhaps more efficiently, many of the same principles involved in their performance will still apply. 

For instance, if you want a waterfall coming into a pool and you want that pool to be a stable environment for fish and plants, then you should not recycle more than the total volume of that pool in one hour down that waterfall. Therefore the pump you choose should be capable of delivering the right amount to the prescribed height of your waterfall above the water level of the pool.

Want to know more? You probably know a lot of them already. You will pick up a lot of them on the side of product packaging, but once upon a time these rules were just unwritten canons for the ‘streetwise’ initiates and you only painfully learnt about them when you dared to confess all your ‘cock-ups’ at the local water garden product outlet – probably some grubby ‘lean-to’ in the back of beyond inhabited by zealous workaholics with manic staring eyes. Well here are some of their secrets, which if they are not common knowledge now, they should be, because they are essential in trying to budget for a scheme.

Pond and water fountain pumps

Water pumps are pretty much the key to the operation of all water moving activity in the pool. For the most part consider submersible pumps and look for something that has been specifically designed for use in water gardens. Even though they might use 240 volts of electricity they are quite safe to use as long they are ‘plumbed in’ to the power supply through a RCD isolating trip switch that is on a separate mains loop from the main domestic supply.

For small pools with tiny waterfalls or just simple fountain effects there are excellent 12volt submersible pumps on the market. 

Pond and feature fountains

Water fountains create a focal point and animate a dull area of the garden. The sound of a big fountain can drown out most ambient noise, of things like traffic and other people talking and so they are great in city gardens and private spaces. They are also great aerators of water, helping sustain any animals or fish that in habit the water below. But if you were thinking in terms of these beautifully engineered tubes of steel and brass that seem to make water dance all but the ‘Sugar Plum Fairy’, then save up you pennies. Fairly simple devices start in the hundreds of pounds and as for the stunning machines that launch mortar rounds of pieces of water, you are talking in thousands of pounds.

Fountain features that have no visible water reservoir or pool in which they sit need to be sterilised in some way with a strong algicide that may be chlorine based or may contain potassium permanganate or copper sulphate. Certainly not anything that could be described as fish friendly. With water running over the ornament surface, or landing surrounding surfaces, algae and moss soon establishes itself to give an aged or rustic look out of kilter with the clean shiny looks of minimalism.

Fountains are fish friendly and fountain in pools with fish in, need to be easy to maintain. So make sure you have a method of reaching them from the side of the pool because they will regular clog with lime from the water or detritus pumped up from the pump. If they are too light and they are in an exposed position, the spray can easily be blown out of the pool. Ensure there is at least the height of the fountain spray times two from the fountain jet to the pool side.

The gushing style or foaming jet is a useful aerator that is less liable to be windblown. The really effective versions of these are quite expensive, because they are engineered to suck in air as they rise up. What is more, they need a good powerful pump to be effective. If you have a pump, it can be a fairly effective compromise to have just the fountain nozzle, minus jet, spurting up full bore from just below the water surface. This seems to create aerating bubbles without too much spray.

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