- Eco Friendly, Fast & Effective - Minimal Stress For The Whole Tank Community - All Reef Safe Materials - Hand Made In The USA. 99% Positive Online Reviews - Innovative Design Catches Fish Quickly By Triggering Natural Feeding Instincts Works on all tank glass thicknesses. No need to reach in and pull the hand piece. Simply press down on the release bulb to release the trap. Completely silent and no quick hand movements are needed which can often times scare the fish out of the trap. Pull back on bait chum pump and clear the line of air. Burp the bubble trap if air bubbles are in the trap. Place your fish's favorite food into the bait chum pump and push the bait in. Create a bait chum swirl by pulling and pushing the plunger back and forth. You can also add bait by simply placing it directly into the bubble trap. When the target fish is in the trap, squeeze the release bulb to release the trap.