Ever opened a pump lid and watched the pool start emptying onto the pad? We’ve been there, and today we map out the simple field habits that stop the flood, speed up service, and keep clients happy. From spotting below-waterline equipment to shutting down both sides of the system, we share practical, low-cost tricks that save a service day—think tennis balls in skimmers, expanding chamois in return stubs, and a checklist that prevents air leaks and lost prime.

We also dig into cleaner selection with real-world guidance that cuts through confusion. On plaster and pebble, geared suction units like the Hayward PoolCleaner or Polaris Atlas/Max deliver reliable coverage, with wide-body options gliding over tall anti-vortex main drains. On vinyl and fiberglass, bouncing diaphragm cleaners shine, climbing walls and handling slopes where geared units often stall. If pressure is your plan, know the plumbing: most Polaris pressure models require a dedicated booster pump; the Polaris 360 is the rare return-side exception that runs without one when returns are set up correctly.

To round it out, we clarify the heat pump vs gas heater puzzle. A heat pump needs a dedicated 220–230V electrical circuit and real amperage headroom; a gas heater needs a properly sized gas line and, often, an upgraded meter from the utility. Retrofitting either after a build adds cost and complexity, so we lay out what to check before promising a swap. The goal: fewer surprises at the pad, better system performance, and faster visits that impress clients.

• Identifying equipment set below the waterline
• Shutting both suction and return before opening lids
• Using tennis balls and chamois rags to stop flow
• Managing dual skimmers for vacuuming and cleaners
• Choosing cleaners for plaster, pebble, vinyl and fiberglass
• Navigating anti-vortex main drains with wide-body units
• Understanding pressure cleaners and booster pumps
• Differentiating heat pumps and gas heaters requirements
• Estimating real costs for electrical and gas line runs
• Verifyin

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