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What has happened?
Dead leaves, food remains, pollen, dead plant bits, fish excrement and so on sink to the bottom of the pond. Although the ever-present micro-organisms in a pond decompose this Silt, they cannot cope with the amount. The result is mud, that extracts oxygen from the water but enhances algae growth in spring immensely.
What can happen?
The lack of oxygen causes the development of toxic gases. Especially in winter under a closed layer of ice the fish suffocate together with other living organisms in the pond. In spring the underwater "muck heap" and the superfluous nutrients contained within will cause the before mentioned increased algae growth which doesn't leave a chance for the pond plants.
What has to be done?
The sludge must come out of the pond. That sounds easy but it is much harder than cleaning the living room carpet. Even the best pond vacuum cleaner cannot remove every trace of silt from a pond. The rest must be decomposed by "Japanese". These are specially bred micro-organisms. OASE aqua activ "Silt Remover" contains these "Japanese" bacteria. They work as an addition to a pond vacuum cleaner and reduce the level of silt significantly.
Will the bottom of the pond stay clean?
Only if these bacteria are used regularly and the rest of the silt is removed by a suitable device such as the Pondovac pond vacuum cleaner.
Tip:
Even the most efficient "Japanese" cannot live without oxygen. The bottom of the pond provides next to no oxygen. Therefore it is recommended to add OASE aqua activ "Oxygen Stabiliser" from the OASE pond treatment range. This product gets straight to where it is needed: to the bottom of the pond! An additional effect of this product is that phosphate, the stuff algae are made out of, is turned into calcium phosphate which in turn will not be suitable as fertiliser for the algae anymore.
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Aqua Activ: Silt Remover: 500ml treats a 10,000 litre pond |
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•Conversion of organic silt through special high performance bacteria
•Gentle cleaning without the need for refilling the pond or dredging.
•Focused prevention of silt: long term turbidity and algae blooms
•Optimal supplement: Oxygen Stabiliser |
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| £ 16.92 |
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Aqua Activ: Silt Remover BULK: 5 litres treats a 100,000 litre pond |
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| £ 96.35 |
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Aqua Activ: Ground Clear LM: 10 litres treats up to 250,000 litres of pond or lake water |
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High performance cultures to effectively break down silt Ground Clear LM has been especially developed for large ponds and lakes and is a cultured, high performance bacteria that efficiently and sustainably reduces the pond, or lake, floor silt. The natural micro-organisms and growth promoters generate a so-called turbo effect, and are thus able to quickly break down large quantities of silt and dead biomass. Organic components are broken down into carbon dioxide, nitrogen and water. A pre-requisite for high level bacteria efficiency is an adequate oxygen supply and stirring up the silt in the water and the Aqua Air 250 LM Aerator is particularly suited for this task. Bacto Plus which decomposes nitrogen, is recommended as a support for these cultures |
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| £ 270.25 |
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