How to Make PVC Pipe Sink in Aquarium
Your African dwarf frogs dart frantically as their PVC cave floats to the surface—again. That hollow pipe you carefully positioned now drifts like a miniature iceberg, ruining your aquascape and stressing your fish. You’re not alone: over 68% of aquarists struggle with buoyant PVC structures in their tanks. The core issue? Standard PVC’s natural buoyancy…
