Existing plaster blocks are old school technology that can wreak havoc on your water quality!? Tetras innovative new gel feeder blocks contain no plaster and feed up to fourteen days with the Tetra Vacation Tropical Slow Release Feeder. Tetras feeders provide real nutrition to fish when they need it.
Allows fish to eat when hungry vs. plaster feeders that dissolve
Packed with Tetras patented, health enhancing ProCare ingredients
Will not pollute water or negatively effect water quality
Gel blocks may be left in the aquarium when regular feeding is resumed