11-08-2010, 09:26 AM
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Some people think bettas can be used for purely decorative purposes so her resiliance to adding equipment to the vase is probably from the fact that she thinks it will make her desk look messier. IF this is the case, then she still might not want to add a heater or filter even if a plug is available just because the wires would be awkward and she might not want a lamp on that area of her workspace.
Other options might include switching out that gravel to soil with a layer of gravel on top, soil substrates need far less water changes monthly or bi-monthly instead of weekly, but someone will have to poke the substrate or add MTS to it to keep it turned. Soil is also way more complicated to set-up than just gravel, but in the long run it might be what the betta needs if its owner is not responsible with the water changes.