Invisible Underwater Fish Trap – Hobby Genius api n=desired nitrogen increase (if using

n=desired nitrogen increase (if using a “nitrate equivalent” value for “n” then use a factor of 0

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Invisible Underwater Fish Trap – Hobby Genius api n=desired nitrogen increase (if usingThe Hobby Genius Fish Trap is an innovative solution for aquarists who need to remove select fish from their aquarium without stress or hassle. This cleverly designed trap remains nearly invisible underwater, making it a seamless addition to your tank environment. Simply place it at the bottom of the aquarium, use the nylon string to open the door, and wait for the fish to enter. Once the desired fish is inside, release the string to close the trap