@Sushi Prohibited Was just looking at your profile and see that your pond is 5,000 gallons and you said it was 4’ deep. Just trying to figure out how you could be losing so much water that you’re afraid to leave the pond unattended for a week.....during this time of year.
Where exactly in your pond is your pump located? ....you said it was “at the side of the pond, and under water.” How far under water is it? Is it very close to the surface?
And can you estimate the amount of water you are losing per week? All you said was that you had to add water a couple times a week. It must be a lot, if it’s in danger of damaging the pump. Forget the pump, I’d be afraid of killing my fish with a dry pond.
So, as someone else brought up, could you have a leak that is causing the water loss? Do you have plants or rocks that could be blocking or channeling the water flow, maybe at the waterfall? This is a common hot-spot for leaks. And what about wet spots in your yard — can you find a place in the yard that stays unusually wet?