We always water our indoor plants in two stages. If you let the soil get dry, it will shrink away from the sides of the container and run off as you have experienced. We will give the plants a small drink and then another a few minutes later. The fir...
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You didn't say what species of Anthurium you are looking for. Here are several listed on eBay. If you've never purchased from eBay and you are interested in these then don't worry because it is easy.