Hagen Fluval Flex Aquarium Kit, 41 x 39 x 39 cm, 57 Litre

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The next step was to start adding some C02 to really help the plants grow – you can read about adding pressurised C02 here. Adding the fish and shrimp

Tip– You’ll need to remove the tube first to get it apart, this simply unscrews from the bottom. Final thoughtsA digital plug will reset to the mixed colour lighting, if you’re only away for a weekend or a few days then that won’t be an issue. This also allows special effects to be selected, such as the cloud cover lighting mode or storm weather with lightning. In addition, thanks to the RGB LEDs, all colours of the spectrum can be selected. If you don’t clean this you’ll notice the water in the pump section get lower and lower as the pump struggles to work.

As with all aquariums from all manufacturers, we highly recommend installing your glass aquarium on a purpose-built aquarium stand or cabinet the same size or larger than the footprint of the aquarium, if you do not install on a purpose-built aquarium stand or cabinet, this will void your warranty (same with all glass tank manufacturers)After running the Flex like this for 3 days I then turned the filter and heater on and ran it empty for week to make sure the temperature was right and held. This also gave the tank some time to settle before adding any fish or shrimp. The FLEXPad remote control offers many vibrant colour options (red, blue, white and green) as well as cool customizations features such as faded cloud cover and lightning bolts weather effects. The remote control is seamlessly connected to the tank's sensational LED lighting system which offers fully adjustable White + RGB LEDs. The lighting not only provides a beautiful atmospheric setting for your tank, with various settings and features to suit your mood, but also supports fundamental plant growth, together with enhancing the vibrant colours of your fish and other tank inhabitants. Flex comes compact with several great features including its easy feed large cut out opening for simple feeding. Its multi-directional dual output nozzles mean the tank water flow can be adjusted to depending on your tank setup.