external pump

I’m selling my Pan World Pump. The pump is in excellent condition. Impeller and impeller chambers are pristine. Perfectly working pump. It was used in my saltwater mixing station which I’ve upgraded and needed a larger pump. I’m asking $90. Pickup in Rancho Santa Margarita, Ca (92688). Tech...

So I have 2 external pumps plumbed to my sump already with 1” pvc to each of them. I’m needing to add a 3rd pump. Do you think it would be fine to have 2 pumps both running off the same 1” pvc bulkhead? I’m really not want to drain my sump to drill a 3rd hole.

BlueLine 70 HD External Water Pump 1750gph 39' max head. Great condition, downsizing since mixing station is now 10 feet from tank. $220 Local ---$260 Shipped

Like new external Pan World magnet pump model NH- 100PX-X. Purchased new in July of 2019. Used briefly on a salt water mixing station. Pushes 1270 GPH, Max head 13 feet. BRS Product Info Asking $150 shipped.