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The problem: Staghorn (I believe) in the lilaeopsis and the substrate in the front of my tank. Spot treating is slow and gets only a very small area at a time. Plus to be most effective the filter needs to be turned off for a time which I really don't like doing since everything else is connected up to it. I've been the whole tank OD route before, and although it works, after about a week the fish are definitely not happy, never mind the inverts. This always made me nervous. What was needed was a way to concentrate the normal dosage in an area for a while.
The solution: one plastic food container, a couple 1/4" stove bolts and nuts, lots of washers, and a catheter tipped dosing syringe. Cut the outer lip off the food container so it'll fit closer, drill three 1/4" holes in the bottom and thread the washers on the bolts, place it where you want it (shooing the shrimp out of the way :hihi: ) take the syringe of your daily dose insert it into the middle hole with a twisting motion so it'll stay put and won't float, push in the syringe and leave it there for a couple hours. These were just normal bolts and washers I had on hand, if you feel a bit wary of that you could always invest in the stainless steel variety. My take on that is that it's not going to be in the tank that long.
End Result: Dead and dying staghorn. Takes about three days to get to this point depending on how much Excel you're using. You could always use a smaller container of course.
The solution: one plastic food container, a couple 1/4" stove bolts and nuts, lots of washers, and a catheter tipped dosing syringe. Cut the outer lip off the food container so it'll fit closer, drill three 1/4" holes in the bottom and thread the washers on the bolts, place it where you want it (shooing the shrimp out of the way :hihi: ) take the syringe of your daily dose insert it into the middle hole with a twisting motion so it'll stay put and won't float, push in the syringe and leave it there for a couple hours. These were just normal bolts and washers I had on hand, if you feel a bit wary of that you could always invest in the stainless steel variety. My take on that is that it's not going to be in the tank that long.

End Result: Dead and dying staghorn. Takes about three days to get to this point depending on how much Excel you're using. You could always use a smaller container of course.
