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Best Pool Test Kit (2026): Drop Kits vs. Strips vs. Digital

By Lazy Pool Owner · · Updated

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How we picked: We didn’t run these kits side by side. This guide compares published specs, maker pages, the CDC’s testing guidance, and independent reviews, each linked where it’s used. Prices were checked on the date above and change often, so check the current price before you buy. How we review.

If you only buy one piece of pool gear besides a robot, make it a good test kit. Almost every pool problem we cover, from green water to high pH, starts with “test first.” A cheap, wrong reading can cost you a weekend and a cart full of chemicals.

Quick picks

PickTypePrice (checked Oct 24, 2026)Best for
Taylor K-2006CDrop kit (FAS-DPD)~$149 at Poolweb, Sept 2026 (PoolBuff)Most pool owners
TF-100Drop kit (FAS-DPD)$83 (TFTestkits)Best value
Taylor K-2006-SALTDrop kit + saltfrom $207.35 (Taylor)Saltwater pools
LaMotte ColorQ 2X Pro 7Digital photometer~$263 at Poolweb (PoolBuff)People who can’t judge colors
AquaChek Select ConnectTest strips~$19 for 50 (PoolBuff)Quick midweek checks only

Our short answer: get a FAS-DPD drop kit (either the Taylor K-2006C or the TF-100) and keep a bottle of strips around for quick checks.

Why FAS-DPD matters

Most cheap kits test chlorine by matching colors. You add drops, the water turns pink, and you compare it with a printed chart. That has two problems:

  1. It’s subjective. Lighting and eyesight both change what you see.
  2. It fails at high chlorine. The CDC notes that DPD color tests can bleach out above about 10 ppm and read falsely low (CDC). That’s exactly the range you need when you shock a pool or clear algae.

FAS-DPD works differently. You count drops until the pink turns clear. PoolBuff notes the Taylor K-2006C reads free chlorine “in 0.2 ppm steps by titration” and up to 20 ppm (PoolBuff). Counting is objective, and it also gives you combined chlorine, which tells you when a shock is finished.

What a good kit should test

TestWhy it matters
Free chlorine (FC)The chlorine that’s actually working
Combined chlorine (CC)Used-up chlorine; tells you when to shock
pHControls how well chlorine works
Total alkalinity (TA)Controls how fast pH drifts
Calcium hardness (CH)Protects plaster and equipment
Cyanuric acid (CYA)Sets how much chlorine you need
SaltOnly for saltwater pools

The CDC recommends that home pool owners test pH and chlorine at least twice a day, and keep pH at 7.0–7.8 and FC at 1 ppm or more, or 2 ppm or more with CYA (CDC). Most owners test less often than that. However often you test, the reading has to be right.

The picks

Taylor K-2006C: best overall

Taylor is the brand pool pros use. PoolBuff calls the K-2006C “the kit most pool professionals actually carry” (PoolBuff).

  • Tests: FC and CC by FAS-DPD, pH, TA, CH, and CYA.
  • Why the “C”: the K-2006C ships with 2 oz reagent bottles instead of 0.75 oz. PoolBuff, using Taylor’s counts for the same two bottle sizes, puts that at 300 pH tests versus 110, and 20 CYA tests versus 8 (PoolBuff).
  • Price: PoolBuff found it at $149.23 at Poolweb in September 2026, against a Taylor list price of $250.20 (PoolBuff). The standard K-2006 starts at $142.71 on Taylor’s own store (Taylor).
  • Trade-off: It takes a few minutes and some practice. Reagents expire, and Taylor says to replace them every year, per PoolBuff.

See the Taylor K-2006C

TF-100: best value

TFTestkits sells the TF-100. It’s the kit Trouble Free Pool’s community points people to, and the site links to it directly (TFTestkits).

  • Tests: OTO chlorine, pH, FC and CC by FAS-DPD, TA, CH, and CYA (TFTestkits).
  • Price: $83, with a salt version at $113 and the bigger TF-Pro at $150 (TFTestkits).
  • Why it’s cheaper: You get the same kinds of tests as the K-2006C, but most reagents come in smaller bottles, 1 oz or less (TFTestkits). For most home pools, that’s plenty for a season.
  • Trade-off: It’s sold mainly from TFTestkits’ own site, not at every big-box store.

See the TF-100

Taylor K-2006-SALT: best for saltwater pools

If you have a salt chlorine generator, you also need to know your salt level. This kit adds a salt test to the K-2006’s FAS-DPD chlorine and balance tests. Taylor lists it at $207.35 (Taylor). The TF-100 Salt is the cheaper alternative at $113 (TFTestkits).

See the Taylor K-2006-SALT

LaMotte ColorQ 2X Pro 7: best digital

The ColorQ is a waterproof photometer. You still add reagents, but the meter reads the color and shows a number, covering seven parameters. That helps if you have trouble telling shades of pink apart.

  • Price: about $263 at Poolweb, roughly $110 more than the Taylor kit at the same store (PoolBuff).
  • Trade-offs:
    • Chlorine reads only up to 10 ppm. Above that, you dilute the sample and double the result (PoolBuff).
    • It still needs reagents, and they still expire.

See the LaMotte ColorQ

AquaChek Select Connect strips: fine for a quick check

Strips are fast: dip, wait about 15 seconds, and compare. PoolBuff calls them “perfectly good at what it actually is: a fifteen-second sanity check” (PoolBuff).

Limits:

  • Chlorine pads stop at 10 ppm, and you estimate between color blocks.
  • The CYA pad needs pH 7.0–8.4 and TA of 240 or less.
  • They read total hardness, not calcium hardness (PoolBuff).

Use strips between real tests, not instead of them.

See AquaChek strips

What about the Taylor K-2005?

The K-2005 (from $114.47 at Taylor) tests the same things, but it measures chlorine by color matching instead of FAS-DPD (Taylor, PoolBuff). For about $28 more, the K-2006 gets you drop-count chlorine and a combined-chlorine reading. We’d spend the difference.

Which one should you buy?

  • Most people: TF-100 or Taylor K-2006C. Pick on price and availability.
  • Saltwater pool: TF-100 Salt or Taylor K-2006-SALT.
  • Color-blind, or hate color matching: LaMotte ColorQ, and accept the 10 ppm chlorine limit.
  • On a tight budget: strips now, and a drop kit before your next algae bloom.

Tips that make any kit more accurate

  • Sample at elbow depth, away from returns and the skimmer.
  • Store reagents cool and out of the sun, and replace them on schedule. Taylor says every year (PoolBuff).
  • Test in daylight for any color-based reading.
  • Log your numbers. A notes app works fine, and so does our weekly checklist.

FAQ

Are pool test strips accurate enough?

For a quick pH and chlorine check, yes. For shocking, clearing algae, or getting CYA right, no. Chlorine strips stop at 10 ppm and make you estimate between colors (PoolBuff).

What’s the difference between the Taylor K-2005 and K-2006?

The K-2006 uses FAS-DPD drop counting for chlorine and gives you combined chlorine. The K-2005 uses color matching (PoolBuff).

Taylor K-2006C vs. TF-100: which is better?

They run the same core tests. The TF-100 is cheaper ($83 vs. about $149) and uses smaller reagent bottles. The K-2006C comes with bigger bottles and is easier to find in stores (TFTestkits, PoolBuff).

How often should I test my pool?

The CDC recommends testing pH and chlorine at least twice a day for home pools (CDC). Plenty of owners test chlorine and pH a few times a week, plus after storms and parties, and do a full test weekly. If you test less, keep chlorine at the safe end of the range.

How long do test reagents last?

Taylor says to replace a drop kit’s reagents every year (PoolBuff).


Related: Pool Chemistry 101 · How to Shock a Pool · Why Is My Pool Green?

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