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Biofilters and bacteria starters ... Some manufacturers claim that their bio starters contain Nitrosomonas and Nitrobacter. Now it is extremely diffiult to freeze dry and keep alive such sensitive bacteria so any claim should be backed up by definitive proof of the fact that such powders do contain those bacteria and they are in a form that will work. If there was a viable population when packed then the question to be asked is are the bacteria still viable ater "x" weeks on a shelf in non-controlled conditions. If the concoction does not contain Nitrosomonas and Nitrobacter then what value is it anyway? biological pond filters
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Save when you buy koi food or fish food. Check your koi fish food label. Do NOT waste money. Understand the specification on koi food and fish food packets and you will save considerable amounts of money and grow bigger koi fish more quickly. Do not believe everything you are told about koi food it might not be true. Check for yourself easily. Koi Food If a 5 kg bag of koi food contains 15% ash, 10% moisture and 3% fibre then 28% of the bags contents (amounting to a whopping 1.4 kg) is a total waste of money. http://www.practical-water-gardens.com/koifood.htm pond pump selection
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Pond fish food sticks ... Today fish food sticks are available in all flavours, colours, sizes and formulations but they suffer from a significant disadvantage ... the cost per unit of mass and especially per unit of protein is normally very significantly higher than a similarly formulated floating koi food pellet. One possible reason for this is the incremental freight component (although I doubt this very much) because the bulk density of sticks is lower than that for pellets. I suspect the real reason is that manufacturers, distributors, retailers and any other party in the chain all make higher profit margins on the back of marketing investment going back many years and which still remains today. Next time you think of buying sticks just do a quick comparison. Varying pack weights between sticks and pellets is a well known "trick" of making pricing comparisons very difficult for most busy shoppers pond pump selection
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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
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Winter and garden ponds. Tender marginals need to be removed wholesale. Canna lilies can be potted up and plunged into a bed in cold frames, otherwise keep them cool but frost free and dry along with all the other exotics you have been tempted buy over the last few months. Once upon a time Arum lilies (Zantedeschia aethiopica Crowborough ) and Lobelia cardinalis were treated with the same respect, but now our winters seem quite bearable to them. The more exotic looking yellow and spotty leafed Zantedeschia elliotiana , Z. pentlandii ... Store them under greenhouse staging. oxygenator pond plants
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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
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Winter and garden ponds. Tender marginals need to be removed wholesale. Canna lilies can be potted up and plunged into a bed in cold frames, otherwise keep them cool but frost free and dry along with all the other exotics you have been tempted buy over the last few months. Once upon a time Arum lilies (Zantedeschia aethiopica Crowborough ) and Lobelia cardinalis were treated with the same respect, but now our winters seem quite bearable to them. The more exotic looking yellow and spotty leafed Zantedeschia elliotiana , Z. pentlandii ... Store them under greenhouse staging. oxygenator pond plants
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If you want to ensure your pond always stays crystal clear then an ultraviolet light must also be installed since without this the risk of a pea-soup coloured water developing is great. Fish and biofilter bacteria need large amounts of oxygen to survive so a reliable pond pump which will operate 24 hours per day every day must be obtained. A biofilter even the very best (vortex type biofilters are the best but are difficult to install and are only necessary on large sophisticated koi ponds) koi filters
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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
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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
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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
Pond Links and Tips
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