Eheim Impeller for 2250/1250/1252/1253/3450/3455/2252 Martingale There's also a manual feed

There's also a manual feed button

Their designs include unique features to enhance water quality and clarity

Nutro Ultra Puppy Dry Dog Food - 15 lb Bag

The Touchdog ® 'Surface-Control' Thick Cushioned Sporty Water-Resistant Dog Mat Bed is composed of a Nylon and Cotton blended outer shell and a Thicker-Grade Poly-fill Interior

Eheim Impeller for 2250/1250/1252/1253/3450/3455/2252 Martingale There's also a manual feedImpeller for 1250 Hobby Pump. The impeller is what makes the pump work and is commonly the problem regarding lack of flow or performance. Clean the impeller and the impeller well regularly to avoid irreparable damage to your pump.