Guides
DIY Plumbing Guides
Step-by-step guides for the most common home plumbing repairs. Each one walks you through diagnosis, the parts that fit your fixture, and the actual fix -- with photos, tool lists, and honest time estimates. New guides ship every few weeks.
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Faucet Repair
Diagnose drips, leaks, and low pressure. Step-by-step procedures + the exact parts that fit your faucet.
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Toilet Repair
Flapper, fill valve, flange, and flush issues. The 80% of toilet problems homeowners can fix in 30 minutes.
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Shower & Tub
Diverter, cartridge, head, and pressure. Including the specific Moen Posi-Temp + Delta MultiChoice valves that ship in 90% of US homes.
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Drain Repair
Clogs, snake technique, P-traps, and when to actually call a plumber instead of buying another bottle of drain cleaner.
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All guides
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Moen Cartridge Identification: 1222, 1225B, 1200, or 1255? [2026]
Moen Cartridge Identification: 1222, 1225B, 1200, or 1255? [2026] Ordering the wrong Moen cartridge means a wasted hardware-store trip and...
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What Size Flapper Do I Need? How to Choose the Right Toilet Flapper and Fill Valve [2026]
Your toilet is running, ghost-flushing, or refilling every few minutes with no one touching the handle. You’ve pulled the tank...
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Kohler Cartridge Identification: Complete Guide — GP1016515, GP77005-RP & Rite-Temp [2026]
Ordering the wrong Kohler cartridge is easy to do and hard to undo once you’re already mid-repair. Kohler cartridge identification...
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Why Is My Faucet Handle Hard to Turn? 5 Common Causes [2026]
A faucet handle hard to turn is one of those repairs homeowners put off because it doesn’t seem urgent —...
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Cartridge Puller Tools: When to Buy One (and Which One) [2026]
A cartridge puller is one of the most over-bought tools in DIY plumbing — most homeowners who own one never...
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How to Replace a Toilet Flush Valve: Step-by-Step Guide [2026]
The flush valve is the center assembly in your toilet tank — the overflow tube, the valve seat, and the...
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When to Call a Plumber (and When to DIY) [2026]
Knowing when to call a plumber is mostly about one honest question: if you get it wrong, does the mistake...
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How Much Does It Cost to Replace a Toilet? [2026]
The cost to replace a toilet runs about $300 to $800 installed, with a national average near $372, per Bob...
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How Much Does It Cost to Replace a Shower Valve? [2026]
The cost to replace a shower valve lands around $225 to $575 with a plumber for a typical job, per...
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Why Are My Drains Slow? Causes, Diagnosis, and 3 DIY Fixes [2026]
If you’re asking why are my drains slow, the answer almost always starts with one question: is it one fixture...
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How to Adjust Toilet Tank Water Level: Step-by-Step Guide [2026]
If your toilet is running constantly or flushing weakly, the fix is often a single adjustment screw inside the tank....
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How to Use a Drain Snake: Step-by-Step Guide for Homeowners [2026]
A slow-draining sink or a backed-up tub is one of those problems that feels urgent — and knowing how to...
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How to Replace Moen 1222 Posi-Temp Shower Cartridge [2026]
Your Moen Posi-Temp shower is dripping, the handle is stiff, or you’re getting cold water when you expected hot —...
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Why Is My Shower Dripping? 5 Common Causes [2026]
Why is my shower dripping even though the handle is fully off? It starts as background noise, but a single...
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Why Does My Drain Smell Like Sewage? 8 Causes and Fixes [2026]
Why does my drain smell? It is one of the most common plumbing questions homeowners ask — and when your...
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How to Identify Your Shower Valve and Cartridge (Moen, Delta, Kohler) [2026]
How to Identify Your Shower Valve and Cartridge (Moen, Delta, Kohler) [2026] Knowing how to identify your shower valve and...
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How to Fix a Leaky Toilet Bowl: Replace the Wax Ring [2026]
Water pooling at the base of a toilet after a flush usually has one root cause: a failed wax ring....
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How to Fix a Leaky Toilet Tank: Stop Internal Runs and External Drips [2026]
A leaky toilet tank is actually two separate problems wearing the same name — an internal leak that makes the...
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How to Replace a Toilet Fill Valve (Stop a Running or Slow-Filling Toilet) [2026]
The fill valve is the tank’s water-intake part: it refills the tank after each flush and shuts off at the...
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How to Replace a Toilet Flapper: The $10 Fix for a Running Toilet [2026]
A worn flapper is the single most common cause of a running toilet, and replacing it is one of the...
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How to Unclog a Toilet: Plunger, Auger, and What Not to Do [2026]
A clogged toilet is one of the most common – and most stressful – plumbing problems a homeowner hits, but...
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How to Replace a Moen 1225 Cartridge: A Homeowner’s Step-by-Step Guide [2026]
How to Replace a Moen 1225 Cartridge: A Homeowner’s Step-by-Step Guide [2026] A dripping single-handle Moen faucet, a stiff handle...
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How to Replace a Delta Shower Cartridge in 7 Steps (Without Damaging the Valve)
How to replace a Delta shower cartridge is one of the higher-confidence DIY plumbing repairs — Delta’s 1700-series and MultiChoice...
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How to Replace a Kitchen Faucet: A Homeowner’s Step-by-Step Guide [2026]
How to replace a kitchen faucet is the single highest-dollar DIY plumbing job most homeowners can actually pull off in...
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Why Is My Toilet Running? 6 Common Causes [2026]
If you can hear water trickling into the bowl long after a flush, or the fill valve cycles for a...
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How to Identify Your Toilet Brand and Model [2026]
A leaking flapper costs $4 to fix and a fill valve costs $10, but only if you buy the right...
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Delta Cartridge Identification: Shower + Faucet Chart [2026]
Delta Cartridge Identification: Shower + Faucet Chart [2026] The single biggest mistake homeowners make when fixing a Delta shower or...
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How to Replace a Faucet Aerator: A 5-Minute Fix Most Homeowners Skip
How to replace a faucet aerator is the cheapest, fastest plumbing repair in your house — and it’s the one...
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Why Your Faucet Is Leaking: 7 Common Causes (and How to Tell Them Apart)
Quick answerA leaking faucet is not one problem but about seven, and which is yours depends on WHERE the water...
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How to Identify Faucet Brand and Model (Even Without a Sticker)
How to identify faucet brand and model is the first question most homeowners hit when a repair starts — and...
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