Skip to content
TrackPin
Check a price
Menu
Developers

Theme

Hydro-Logic Purification Systems Hydrologic Hydroid™ Membrane 11590 Hydroponic Water Filtration for gardening

Only 8 left

Good price

$643.72 is 14% below the $751.74 it normally sells for.

Now
$643.72
Normally
$751.74
Lowest in 139 days
$578.26(Nov 1)
Highest
$836.84
Evidence: Strong139 days tracked154 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.

Get an email when the price drops

Good: 5%+ below normal. Great: 20%+ below. One email when it happens, at a price below today's $643.72. No account, no newsletter.

Price history

Tracked since Jun 24 · 139 days · 154 price changes

Loading the price chart.

  • Price
  • Normal $751.74
  • 5% or more below normal

How often does it drop below normal?

In the 139 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more 60 times, typically lasting less than a day. The last time ended Nov 10. It's below normal right now, for less than an hour so far. Brief dips under an hour (16) aren't counted.

A count of what happened, not a prediction.

Other ways to buy

  • New from

    $643.72

    SGHPSeller rating 33% of 30,312

More real deals in Tools & Home Improvement

See all
Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B08QW9MJKR
Request
curl https://trackpin.co/api/v1/product/B08QW9MJKR \
  -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 17:55 UTC
{
  "asin": "B08QW9MJKR",
  "title": "Hydro-Logic Purification Systems Hydrologic Hydroid™ Membrane 11590 Hydroponic Water Filtration for gardening",
  "image": "https://m.media-amazon.com/images/I/51bUwpmiOwL._AC_SL500_.jpg",
  "currency": "USD",
  "category": "Home Improvement",
  "category_label": "Tools & Home Improvement",
  "in_stock": true,
  "price": {
    "current_cents": 64372,
    "reference_cents": 75174,
    "discount_pct": 14.37,
    "is_deal": true,
    "observed_at": 1794419137602,
    "changed_at": 1794419137602,
    "checked_at": 1794419137602,
    "source": "stored"
  },
  "verdict": {
    "label": "good",
    "text": "Good price",
    "pct_vs_normal": 14.37,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Good price. $643.72 is 14% below the $751.74 it normally sells for."
  },
  "listing_claim": null,
  "stats": {
    "min_cents": 57826,
    "max_cents": 83684,
    "avg_cents": 75740,
    "history_days": 139,
    "price_levels": 313,
    "price_changes": 154,
    "distinct_prices": 6,
    "lowest_at": 1793560483978
  },
  "history": [
    {
      "price_cents": 64372,
      "from": 1794263100800,
      "to": 1794263627527
    },
    {
      "price_cents": 83684,
      "from": 1794268760522,
      "to": 1794324232138
    },
    {
      "price_cents": 64372,
      "from": 1794335259237,
      "to": 1794336563081
    },
    {
      "price_cents": 83684,
      "from": 1794339392110,
      "to": 1794403665843
    },
    {
      "price_cents": 64372,
      "from": 1794419137602,
      "to": 1794419137602
    }
  ],
  "last_seen": 1794419173236
}
// … 308 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.