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Buying Guides for Every Water Product

In-depth, unbiased guides that walk you through sizing, technology choices, installation, and total cost of ownership for every water product category.

Toilets

One-Piece vs Two-Piece Toilet: Pros, Cons, and Which to Choose

One-piece vs two-piece toilets compared — aesthetic differences, cost gap, cleaning, installation complexity, and which makes sense for which buyer.

11 min read · Updated May 2026
Toilets

Comfort Height vs Standard Height Toilet: Which to Pick

Comfort height (17–19 inch seat) vs standard height (15 inch seat) toilets compared. Who benefits from each, ergonomics by user height, and the situations where each wins.

8 min read · Updated May 2026
Toilets

How to Stop a Toilet Tank From Sweating

A sweating toilet drips condensation off the porcelain tank, soaks the floor, and looks like a leak. Four fixes ranked by effectiveness and cost.

5 min read · Updated May 2026
Toilets

Kohler Cimarron vs Highline Toilet: Detailed Comparison

The Cimarron and Highline are Kohler's two best-selling two-piece toilets. The Cimarron has AquaPiston canister flush; the Highline is the value pick.

5 min read · Updated May 2026
Toilets

Smart Toilet Buyer's Guide: What Each Feature Actually Does

Smart toilets have proliferated from one TOTO model in 2005 to 200+ today. Here is a feature-by-feature breakdown of what each capability actually adds.

5 min read · Updated May 2026
Toilets

Dual-Flush vs Single-Flush Toilet: Real Water Savings Compared

Dual-flush (typically 0.9/1.28 GPF) compared to single-flush 1.28 GPF toilets. Real-world water savings, reliability differences, user-behavior caveats, and which makes sense for which household.

8 min read · Updated May 2026
Toilets

Pressure-Assist vs Gravity Flush: Which Toilet Mechanism Is Right for You?

Pressure-assist toilets push water harder, clear waste in one flush, and almost never clog. They are also noticeably louder and harder to repair. Here is the tradeoff.

5 min read · Updated May 2026
Toilets

How to Fix a Toilet That Won't Stop Flushing or Cycles Repeatedly

A toilet that flushes twice, cycles ghost-flushes, or never finishes filling has one of three problems. Identify which in 60 seconds.

5 min read · Updated May 2026
Toilets

How to Tighten a Loose Toilet Without Cracking the Porcelain

A wobbling toilet usually does NOT need re-tightening — it usually needs shimming or wax-ring replacement. Here is when to tighten and when to stop.

5 min read · Updated May 2026
Toilets

Elongated vs Round-Front Toilet Bowl: Which to Buy

Elongated bowl vs round-front bowl toilets compared — ergonomics, space requirements, and the bathroom-size guideline for choosing between them.

8 min read · Updated May 2026
Toilets

Wall-Hung vs Floor-Mounted Toilet: Which Is Right for Your Bathroom?

Wall-hung toilets save 9-12 inches of floor space and make floor cleaning trivial, but require an in-wall carrier system and finished framing. Here is when each makes sense.

5 min read · Updated May 2026
Toilets

Toilet Water Usage Guide: GPF, Annual Costs, and Real Savings

A toilet is the single biggest water user in most homes — 30-40% of indoor consumption. Here is how to calculate actual water and dollar costs.

5 min read · Updated May 2026
Toilets

Self-Cleaning Toilet Buyer's Guide: How They Work and What's Worth Paying For

Self-cleaning toilets use electrolyzed water, UV, or special glazes to reduce manual cleaning by 60-80%. Here is what each technology actually does.

5 min read · Updated May 2026
Toilets

ADA Compliant Toilet Buyer's Guide: Heights, Specs, and Models

Comprehensive ADA-compliant toilet buyer's guide. Seat height requirements, full bathroom-compliance checklist, top model picks, and the differences between residential and commercial ADA specs.

8 min read · Updated May 2026
Toilets

Corner Toilet Buyer's Guide: Triangle-Tank Toilets for Tight Bathrooms

A corner toilet has a triangular tank that sits flush into a 90-degree corner, recovering 8-10 inches of wall space. Almost only available from Eljer in the US.

5 min read · Updated May 2026
Toilets

Best Toilet Flush System Comparison: Gravity, Pressure-Assist, Vacuum-Assist, Tornado

There are four main toilet flush mechanisms — each engineered for a different priority. Here is how gravity, pressure-assist, vacuum-assist, and tornado compare.

5 min read · Updated May 2026
Toilets

Toilet Bowl Shape Guide: Round, Elongated, Compact-Elongated, D-Shape

Four toilet bowl shapes dominate the market. Each has measurable comfort, hygiene, and space tradeoffs. Here is when to use each.

5 min read · Updated May 2026
Toilets

Black Toilet Buyer's Guide: Color, Cleaning, and Brand Options

Black toilets are a striking design statement but harder to clean and limited to specific brands. Here is what to know.

5 min read · Updated May 2026
Toilets

WaterSense Toilet Buyer's Guide: Rebates, Savings, and Models That Qualify

WaterSense-certified toilets use 1.28 GPF or less and meet EPA flush-performance standards. Many cities offer $50-$200 rebates per unit. Here is how to qualify.

5 min read · Updated May 2026
Toilets

Skirted vs Non-Skirted Trapway Toilet: Cleaning, Looks, and What You Lose

A skirted trapway hides the curved porcelain channel under a smooth panel. You save 20 minutes per deep-clean cycle but lose visible reference points during installation.

5 min read · Updated May 2026
Toilets

Tankless Toilet Buyer's Guide: Direct-Water-Line and Pumped Designs Explained

A tankless toilet flushes directly from the supply line — no porcelain tank. Sleeker silhouette, faster flush cycle, but only works with 25+ psi inlet pressure.

5 min read · Updated May 2026
Toilets

Toilet Buying Checklist: 20 Things to Check Before You Order

Print this and walk through it before clicking buy. Twenty items including rough-in, bowl shape, GPF, color, install access, and warranty.

5 min read · Updated May 2026
Toilets

Toilet Septic-Safe Guide: How to Choose for Septic Systems

A septic system has different demands than municipal sewer. The right toilet uses less water, clears completely in one flush, and avoids harsh chemicals.

5 min read · Updated May 2026
Toilets

Siphonic vs Washdown Flush Toilet: How Each Works

Siphonic toilets (US standard) use a siphon vacuum to pull waste; washdown toilets (European standard) push waste with water pressure. Different physics, different tradeoffs.

5 min read · Updated May 2026