The skimmer basket: first job, every week
Summer loads a pond's skimmer like no other season: blossom, seeds, insects, grass clippings from the mower and the first falling leaves all queue for the basket. Empty it weekly at minimum, and twice in heavy weeks, rinsing the mesh so fine material does not seal it. A choked basket is not just untidy — it starves the pump behind it of water, and a pump run dry or straining runs hot and dies young. While the basket is out, skim the corners and the lee of the waterfall by hand; the skimmer only ever collects what the surface current delivers to it.
Read the pump's flow, not just its hum
A pump can sound busy while moving half its proper flow. Each week, compare the return against your memory of it at its best: the waterfall's width and sound, the ripple where a submerged return meets the surface. A weakening flow usually means an intake cage furred with weed and snails or a pre-filter due for a rinse — both ten-minute fixes if caught at the weekly round, both pump-killers if left for a month. Check that cables and pipework have not been knocked by mowing or edging while you are down there.
Top up little and often
Evaporation is summer's constant tax, and on a hot, breezy week a pond can drop noticeably. Top up with a slow hose laid at the edge, a little at a time across the week rather than in one deep refill, so temperature and chemistry drift gently instead of swinging. Add conditioner when you add a substantial amount of tap water, and pour the inflow over stone or a shallow shelf so it does not churn the bottom. A consistent level also keeps the skimmer honest: its floating door only skims properly within a band of levels, and a pond allowed to drop below that band is a pond whose surface stops being cleaned at all.
Warm water holds less air — watch the fish
The weekly round doubles as an oxygen check during heat. On hot, still nights the pond's plants and algae consume oxygen instead of making it, and the danger hour is dawn. If fish are gasping at the surface on a summer morning, increase aeration the same day — run the waterfall full-time, add an air pump if you have one — and treat it as an urgent entry in the week's notes rather than a curiosity. Shading part of the surface with lily cover you already have, and resisting the urge to feed heavily in a heatwave, both lighten the load.
Make the round a habit with a record
Note the basket state, the flow and the level each week in the same breath; a level falling faster than the weather explains means a leak hunt, and a skimmer filling faster means something upstream is shedding. KinsLe Care Teams can carry the skimmer, pump and top-up checks as a single named weekly duty through the summer months, so the round happens in the hottest, busiest weeks exactly as it does in the easy ones.