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Faced a tough call on pump impeller material for a gravel job
We were starting a big gravel pit project near Spokane and the main pump needed a new impeller. The choice was between a standard chrome iron one for about $1,200 or a high-chrome alloy version that cost nearly double. I went with the cheaper option, thinking the material wasn't too abrasive. Two weeks in, the wear was way worse than I figured, and we lost almost a full day swapping it out for the tougher alloy. The downtime cost more than the price difference. Anyone have a good rule of thumb for judging material hardness on site before you order?
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