Tuesday, November 3, 2026
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The Plumbing Brief
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The Plumbing Brief

How-To

Step-by-step plumbing guides: how to fix, install, unclog, and maintain the plumbing in your home, and when a job calls for a licensed plumber.

A residential well cap with its cover removed in a grassy yard, a garden hose coiled beside it and a plain unlabeled pla
How-To

How to Shock a Well: Bleach Amounts, Steps, and Retesting

How to shock a well with unscented bleach: CDC dose chart by water depth and casing, 12-hour contact…
Water swirling slowly down a white bathroom sink drain with small air bubbles rising, close-up
How-To

Why Is My Drain Gurgling? 5 Causes and How to Fix Each

Why is my drain gurgling? Find the cause by which fixture gurgles and when: clog, vent, dry trap,…
A water softener and its brine tank in a basement utility room, the brine tank lid open showing a hardened crust of salt
How-To

Water Softener Not Working? How to Test It and Fix It in Order

Water softener not working? Test your water, then check the bypass, salt bridges, injector clogs, settings and resin.…
A brass temperature and pressure relief valve threaded into the side of a water heater tank, with a copper discharge pip
How-To

Water Heater Pressure Relief Valve: Why It Leaks, How to Test It and How to Replace It

Water heater pressure relief valve dripping? Why T&P valves open at 150 psi or 210°F, how to test…
The underside of a white toilet tank showing the tank-to-bowl bolts and a black rubber gasket with water droplets beadin
How-To

Toilet Tank Leaking? Find the Source by Where the Water Shows

Toilet tank leaking? Trace it by where the water shows: gasket, tank bolts, supply line, cracked tank, sweating…
Two braided hoses connected to the service valves under a wall-mounted tankless water heater, running down to a small su
How-To

How to Flush a Tankless Water Heater (Step by Step)

How to flush tankless water heater scale: 4 gallons of vinegar, a 45 to 60 minute pump cycle,…
A basement sump pit with the lid removed showing a submersible sump pump sitting in standing water with its discharge pi
How-To

Sump Pump Not Working? How to Diagnose and Fix It by Symptom

Sump pump not working? Find the fix by symptom (won't start, runs but won't pump, runs nonstop, short-cycles),…
A copper water supply pipe stub coming out of an open drywall cavity, sealed with a plain brass push-fit end cap
How-To

How to Cap a Water Line: Methods, Steps, and Dead-Leg Rules

How to cap a water line on copper, PEX, CPVC, or steel: pick the right cap, cut back…
The inside of an open toilet tank with the lift chain, flapper and flush lever arm visible, tank lid resting beside it
How-To

Toilet Won’t Flush? Diagnose the Cause by Symptom and Fix It

Toilet won't flush? Match the symptom to the cause: lift chain, flapper, low tank water, trap clog, blocked…
A closet auger fed into a white toilet bowl in a small bathroom, with a flange plunger set on the tile floor
How-To

Toilet Keeps Clogging? The Real Causes, a Test for Each, and the Fix

Toilet keeps clogging? Test for each cause in minutes: weak low-flow bowl, paper, a trapway blockage, a vent,…