wolvo23 Posted April 13, 2009 Share Posted April 13, 2009 What do you think? Im looking to buy a internal fluval 4 or a hangon aquaclear 70 for a standard 4ft tank whats better. thanks. Link to comment Share on other sites More sharing options...
wolvo23 Posted April 13, 2009 Author Share Posted April 13, 2009 thanks thats the one i was thinking of getting.Easyer to clean to ive been told thanks. Link to comment Share on other sites More sharing options...
fishdance Posted April 13, 2009 Share Posted April 13, 2009 It depends on your specific needs and fish. A hang on filter means you can not drop the water level very low (useful for concentrating food for fry or reducing medications). A hang on filter usually means customising tank lids or hoods and difficult to make escape proof. A hang on can not be used as a water pump to lift water, empty tanks or be placed into a bucket under gravel to create an even larger mechanical or biological filter. A hang on is noisier IMO due to the sound of cascading water. A hang on filter has larger filter area and easier to customise filter media. A hang on filter is will cool the tank better in summer but has more evaporation. A hang on is harder to direct water flow or reduce velocities. I dont think I have helped you much but hopefully given you some ideas on what is best for you. I have a mix of internals, hang ons, canisters, fluidised beds, floating bead filters, sumps, overhead trickles and undergravels. All have their uses. The humble air driven sponge is a firm favourite. Link to comment Share on other sites More sharing options...
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