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This 8 m extension set is actually intended for the water changing set JBL PROCLEAN AQUA IN-OUT, but can also be used for any other 12/16 hose. It also fits the previous model: JBL Aqua In-Out. Regular water change Food, plant remains and metabolic products pollute the aquarium water. Since aquarium filters can't completely remove these substances from the water and a large part of the waste enters the aquarium bottom, a regular partial water change (about every 2 weeks 1/3 of the water content) needs to be carried out. Always siphon off the waste from the substrate when carrying out a partial water change. After the partial water change a good water conditioner such as JBL Biotopol is vital to prepare the new tap water for fish. How to clean the aquarium bottom properly: Push the gravel cleaner (JBL PROCLEAN AQUA IN-OUT or JBL PROCLEAN AQUA EX) into the aquarium substrate with twisting movements. The suction pulls the substrate and the dirt in the gravel cleaner upwards. The substrate falls back down under its own weight and only the dirt is sucked out of the aquarium. With fine sand, you can adjust the suction by lifting the gravel cleaner so that the light sand also falls back down. If you have a long-term substrate fertiliser under the covering gravel layer (e.g. JBL PROFLORA AQUA BASIS), do not insert the gravel cleaner far. Insert it only as deeply as the covering substrate layer is thick.
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Please Note: We only deliver ponds and pond plants on our own delivery vehicles!
The blue highlighted area on the map below is where we deliver on our own vehicle! Unfortunately, if you are not in one of these postcode zones we are unable to deliver certain items such as plants, small glass items and selective other products.
We offer a few different delivery options depending on the size and value of your order.
Orders over £50 qualify for free mainland UK (excludes Northern Ireland) delivery which will arrive within 3-5 working days of the order being processed.
Residents of Northern Ireland, please provide your EORI or XI Number.