Tetra TetraWeekend Tropical Slow-Release Feeder 5 Days 2pk

Existing plaster blocks are old school technology that can wreak havoc on your water quality! Tetra's innovative gel feeder block contains no plaster and feeds up to five days with the TetraWeekend, or up to 14 days with the TetraVacation. Blended with patented ProCare for optimal health.