Livestock supply stores usually also have needles and syringes available. The most fantastic thing I've found so far for killing aptasia is a dental syringe. The tips don't clog as badly as the needles will and they last for months instead of a few dosings. (the needles will clog up and drive you batty). I ordered mine online from a livestock supply house, also, but you can probably get you dentist to sell you some
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