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Extech CL207 Chlorine Standard Solution, 48 ppm, 2 x 2 oz | Certified 48 ppm calibration fluid, two 2 oz bottles, for chlorine testers, lab and field

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Rated4.4(8 ratings)Only 5 left

Above normal

$84.37 is 38% above the $61.00 it normally sells for. It sold at or within 3% of $61.00 for at least about a week of the last 45 days.

Now
$84.37
Normally
$61.00
Lowest in 108 days
$60.99(Aug 31)
Highest
$92.64
Evidence: Strong108 days tracked9 price changes

Where today's price sits

View on amazon.com (opens in a new tab)

Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.

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Good: 5%+ below normal. Great: 20%+ below. One email when it happens. No account, no newsletter.

Price history

Tracked since Jul 26 · 108 days · 9 price changes

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  • Price
  • Not checked for 3+ days
  • Normal $61.00
  • 5% or more below normal

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Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B004WN68KW
Request
curl https://trackpin.co/api/v1/product/B004WN68KW \
  -H "x-api-key: $TRACKPIN_API_KEY"

This is exactly what the API returns for this product. Free keys include 100 requests a day.

Request a key
Live response, As of 18:58 UTC
{
  "asin": "B004WN68KW",
  "title": "Extech CL207 Chlorine Standard Solution, 48 ppm, 2 x 2 oz | Certified 48 ppm calibration fluid, two 2 oz bottles, for chlorine testers, lab and field",
  "image": "https://m.media-amazon.com/images/I/61YRUc82w+L._AC_SL500_.jpg",
  "currency": "USD",
  "category": "BISS Basic",
  "category_label": "Industrial & Scientific",
  "in_stock": true,
  "price": {
    "current_cents": 8437,
    "reference_cents": 6100,
    "discount_pct": -38.31,
    "is_deal": false,
    "observed_at": 1794420986440,
    "changed_at": 1794244047377,
    "checked_at": 1794420986440,
    "source": "stored"
  },
  "verdict": {
    "label": "above",
    "text": "Above normal",
    "pct_vs_normal": -38.31,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Above normal. $84.37 is 38% above the $61.00 it normally sells for. It sold at or within 3% of $61.00 for at least about a week of the last 45 days."
  },
  "listing_claim": null,
  "stats": {
    "min_cents": 6099,
    "max_cents": 9264,
    "avg_cents": 7138,
    "history_days": 108,
    "price_levels": 34,
    "price_changes": 9,
    "distinct_prices": 7,
    "lowest_at": 1788151828977
  },
  "history": [
    {
      "price_cents": 6931,
      "from": 1791245935916,
      "to": 1792500379824
    },
    {
      "price_cents": 7830,
      "from": 1792510530111,
      "to": 1792510530111
    },
    {
      "price_cents": 8488,
      "from": 1792514354784,
      "to": 1793614975617
    },
    {
      "price_cents": 6100,
      "from": 1793631160714,
      "to": 1794233974927
    },
    {
      "price_cents": 8437,
      "from": 1794244047377,
      "to": 1794420986440
    }
  ],
  "last_seen": 1794420986440
}
// … 29 more steps in the full response

Normal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.