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  • Pond pump don't stop for more than about 60 minutes because,if you keep fish, the biofilter is starved of oxygen. For this reason two smaller pond pumps are often a better choice than a single larger pond pump. The main reason for a biofilter in a pond is NOT to filter the solids out of the water. It is to purify the water by removing offending chemicals. These chemicals are actually produced by the fish themselves by virtue of their normal breathing, eating and toilet behavior. Biofilters need a continuous supply of oxygen sourced from that dissolved in circulating pond water. Beware low oxygen levels in summer. all about pond pumps

  • Oygenators, pond plants ... All plants that live happily under water can be described as oxygenators. Out of these plants there are bound to be one or two that are the best for the job we need them to do. There is no doubt they are specialised. Roots tend to be merely for anchorage and the nutrition absorption and gaseous exchange occurs on the surface of the plant directly to each cell. The plant therefore has very thin walls and thin leaves to allow this to happen. This makes the plants floppy, which in fact becomes an advantage under water as they are able to bend with the eddies in the water. Two plants that have made this a real speciality and thrive in streams are Water Crowfoot, the true Water Buttercup (Ranunculus aquatalis) and Curly Pond Weed (Potamageton crispus). all about garden pond plants

  • If you want to save money and reduce dramatically the risk of pond infections and fish disease do NOT use a sand filter for a pond. They are great for swimming pools, and bad for ponds. The basic reason is that many "dead-spots" are created because the water makes channels in the bed of sand. All water then flows through these channels and all the other sand becomes de-oxygenated. This situation allows anaerobic bacteria to grow (those that grow in absence of oxygen ... normal these cause bad smells). Anaerobic bacteria create pathogenic conditions in a pond. koi pond filters

  • Ponds & algae concerns ... At night, both algae and fish consume oxygen from and exhale carbon dioxide into the system. Algae compete with the fish for available oxygen in the water. A potentially serious impact of an algae bloom is the risk of an "algae crash" triggered by temperature or barometric pressure. When an algae bloom collapses, dead algae cells settle to the bottom of the pond, adding to the decomposing sediments oxygen demand. As the dead algae cells rupture, they release organic nitrogen and phosphorous back into the water, adding to the systems nutrient load. pond algae

  • Getting your pond ready for spring and that burst of life .... You can out those marginal plants if they need replanting. No real hurry but get it done before the middle of April. Just empty out the baskets, divide with a knife of spade and replant the portions with healthy growing tips in a good heavy garden loam. Wait a while for the lilies until they are in full growth and the heavier the loam the better for them. Top off with pea shingle. In new ponds they will need a good feed of a slow release pellet each. Keep your eyes peeled for any fish diseases, sores, or things hanging off or on and treat accordingly. water gardens, pond keeping

  • Ponds & algae concerns ... At night, both algae and fish consume oxygen from and exhale carbon dioxide into the system. Algae compete with the fish for available oxygen in the water. A potentially serious impact of an algae bloom is the risk of an "algae crash" triggered by temperature or barometric pressure. When an algae bloom collapses, dead algae cells settle to the bottom of the pond, adding to the decomposing sediments oxygen demand. As the dead algae cells rupture, they release organic nitrogen and phosphorous back into the water, adding to the systems nutrient load. pond algae

  • Plants in a pond also help to reduce nitrate levels ... the nitrate is formed naturally by he action of bacteria on the excreted waste products from the fish and other aquatic animals. Nitrates are rich in Nitrogen and there is a process of conversion from ammonia excreted by fish to nitrite then to nitrate. Always spray water onto the pond surface when filling with fresh tap water ... any chlorine in the tap water will then be reduced. pond pump supplies

  • Algae Growth (Photosynthesis) ... koi ponds are usually closed recirculating aquatic systems, meaning that these systems, unlike natural ponds with streams flowing through them, lack a fresh-water flow-through source. Rather, closed recirculating aquatic systems rely on filtration to purify and reoxygenate their water. Outdoor ponds that are closed systems are subject to seasonal algae blooms and attached filamentous algae growth due to nutrient and carbon dioxide buildup. The primary nutrients of concern are nitrogen and phosphorus. Nitrogen is a by-product of decomposed fish waste, uneaten fish food and accumulated sludge in the bottom of the pond. uv size required

  • Many gold fish are born black and not gold ... they seem to appear from nowhere when they are about 1 inch long. In fact they have been hiding from the larger fish. Such larger fish even koi and "harmless" goldfish would have eaten them along with many others that did not survive hatching from the ova. Because they are black they can be difficult for us to see. Gradually they start turning gold until they do become little goldfish - what a delight they are too. All your own work at that. pond pump supplies

  • Must the UV be placed before the biofilter? In theory it does not matter at all but in practice if you have a simple box type filter is must be before the filter. Reasons are: The UV works under small pressure - water must be forced through it while the biofilter drains under gravity. In sand filter systems (which I do NOT recommend) the UV light comes after the pond filter because the whole system is under pressure. Not applicable in many cases but you can also split the flow from your pond pump - part through UV light and part through biofilter. all about pond uv and algae

 

Never switch off your pond pump for more than about 60 minutes

Make sure the delivery pipe from the pond pump is not kinked

Must the UV be placed before the biofilter?

A waterfall adds oxygen to a pond by creating a large surface area

Submersible pond pumps can operate against a closed valve

It is a good idea to pump out about 10% of your pond water

Lighting in and around ponds creates a brand new dimension

Sick and tired of looking at debris on the bottom of your pond?

Do not feed more food than what you fish can eat

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