From the category archives:
You will need to install UV sterilisers if you have green water. You should however remember that you should not rely solely on the UV unit to get rid of algae in the water. The filter that you’ve installed should be sufficient to solve the green water problem. UV Steriliser is recommended for Koi keeping. [...]
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Venturis are an effective way of getting oxygen into the water. While you can build one yourself, there are many choices that you can buy now at suppliers at reasonable price. A venturi works by compressing the flow of water, then releases it abruptly into a larger chamber which creates a vacuum. Air is introduced [...]
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A drain box is where the bottom drains from the filters, vortex chamber, and filter overflow system are led. If you want to install any additional features to the pond, like a sand filter then it is recommended that you run spare 2″ pipe and blanking it off so that it is available later if [...]
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You should by now have considered which type of pump and system that you will want to use with your pond, once you’ve decided which type of pond and filter system you will be using. Pump chamber Pump chamber is where you will fit the pumps, UV, air blower, and any other electrical appliances that [...]
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There is a wide range of filter medias to choose from for your filter system. The following are just some that are available in the market: Brushes Eficient at removing debris and blanket weed, brushes were very popular until a few years ago. However they require regular cleaning and also a lot of maintenance, and [...]
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There is a toss up between purchasing a fibreglass filter units that come pre-built but are expensive, or to build your own concrete block filter unit. Get as many quote as you can from dealers and suppliers, then weigh out whether you want to buy a fibreglass unit or to build your own. Sometimes it [...]
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Vortext chamber work just like a pre-fabricated chamber or fiberglass chamber, save for the difference in shape. The principle behind the shape of the chamber would have been discussed in an earlier chapter (see Vortex Chamber) and applied in the same manner to multiple vortex filter chamber like the one you see below. Square filter [...]
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When choosing your fiberglass filter unit, take into account the surface area of the filter in relation to the surface area of the pond. The surface area of the filter has to be one third the area of the pond to work effectively. Water from the pond enters the unit from the right most chamber [...]
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Knowing which filter system you will be using is important. You will need to make sure that you have a system that can support the volume of your pond effectively. You will also need to decide this base on the space that you have available to support the pond. There are a few types of [...]
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Unless you have experience applying fiberglass, it is well advise to leave the job to the professionals. Make sure that you find a company that has experience fibreglassing ponds. This is because the people whom you employ should understand that boat building and car bodies are very different from fibreglassing a pond, especially in regards [...]
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Rendering the pond The next step after you’re done building up your walls, the layout of pipings and angling and smoothing out the corners, is to render the surface of the walls, base, etc. Mix three parts sand to one part cement for the render coat. Apply first coat directly onto the block work. Complete [...]
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Angling the base Once you’ve completed your walls, it is time to considered angling the base of the pond. The main reason for this is so that any waste from the fish, debris and such will be move towards the bottom drains, and then removed by the vortex chamber. In this manner it would not [...]
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Building Walls Around the Pond Once the concrete base is completely dry it is time to start building the walls around the pond. You have the choice of using concrete blocks that are 18 x 9 x 4 inches in measurement and lay them on their side so that the wall is 9 inch wide. [...]
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Vortex Chambers What are vortex chambers? The figure on the left is a basic sketch that shows the basic idea for the Vortex chamber. Water passes through the inlet from the bottom drain just above the cone section of the chamber. The water will then flow around the side of the vortex, rising up and [...]
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Pipework for bottom drains After you’ve decided on the bottom drains, it is now time to consider what pipework you want to use and your layout. You should use four inch diameter uPVC pressure piping. The pipework will be buried under concrete, so it is important that you choose the right type to use. Any [...]
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Bottom drains You should fit your bottom drains while the pond is under construction. This is BEFORE you pour the concrete into the base. After you’ve got your bottom drains in, get all the pipework for the bottom drains laid out in position as well, cut to shape, lay it then pour in the concrete. [...]
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Once you’ve decided on the layout of the bottom drains/piping, you can now move on to the concrete base. This has to be planned out carefully as it is the structure that supports the pond in its lifetime. Laying The Base – Reinforcement Make sure that the soil in the bottom of the pond is [...]
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At this point you would be well into the process of digging out the hole. You should now start thinking about leveling the area. Setting up the levels – Determine the height you want the final water level of the pond to be then measure from that point. Get a length of 2″ x 2″ [...]
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You would have now decided on the shape and general design for your pond at this point. And that you want to construct a concrete pond instead of a liner pond. First thing to do is to plan out the outline of your garden on a graph paper, then start to draw the outline of [...]
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There are basically two type of pond, a liner pond or a concrete pond that you can build. This chapter is applicable if you’ve decided to build a liner pond. Dig a hole, put in a liner and fill it up with water. Sounds simple enough? Hold on… When you decide to build this type [...]
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You have a choice of either using a liner or concrete blocks with your new pond and render it using fibromix, or render it and then coat with fibre glass. It is recommended that you use butyl if you choose to use a liner as it will give you durability, even though it is pricier. [...]
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Position, Type and Shape So now that you’ve all fired up to create a koi pond sanctuary in your home, lets begin with the important step of designing and planning for your pond. Koi’s need space, and quite a bit of them. Many hobbyist would have started with a small (or not so small) shallow [...]
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While koi are hardy and relatively easy to raise you must ensure their health by planning their pond environment carefully. Once the right pond is constructed, or refurbished, then and only then should you start the selection and acquisition of koi. What a koi wants, what a koi needs Water, lots of it Koi can [...]
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Transporting koi will definitely be something you will have to do, whether it is locating your new koi to its new home, to take a fish to a show, or to a vet or new pond. Transportation can be stressful on fish, so you will need to know how to minimise that stress as much [...]
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The koi has a history that dates back 2500 years. They are all derived from the common carp with colour mutations from the basic black carp (known as Magoi) developed 200 years ago, right down to the “youngest of the variety, nishikigoi, which was established at the beginning of the second millenium. Description of Varieties [...]
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