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Filter and Pump for a 25-Gallon Half-Barrel Pond

With one 6-inch and two small goldfish in a 25-gallon half-barrel, Robyn suggests a small submersible filter/pump combo like the PondMaster 190 (190 gph). An aquarium filter may work if weather-protected. Space is tight; prioritize a pump with minimal filter footprint.

Pond and Water Gardening: Berkeley SSHM-2 Pump Loses Pressure After Minutes: Suction Leak or Internal Wear; Troubleshooting a Newly Inherited Pond: Overflow, Black Water & Dead Filter; Decoding a Two-Pond Pump Setup: Which Hose Goes Where?; Planting Pond Lilies & Grasses in Containers: Preventing Takeover; Goldfish Disappear & Pump Fails: Predators and Filtration Fixes; Pond Leak: Will Turning Off Waterfall Pump Stop Auto-Fill?; DIY Filter for a 125-Gallon Goldfish Pond Under $100; Filtration & Muck in 400-Gal Pond: Lily Pots & Solutions; Pump and Filter Setup for a Raised Deck Filter and Waterfall; Choosing an External Filter for a Whiskey Barrel Pond: Bird-Proofing and Debris Control

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