---
title: "Kontrol Crystals — £74K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/grocery/kontrol-crystals"
last_updated: "2026-07-31T22:39:27.717Z"
locale: en
meta:
  description: "Niche score 38/100 · £74K/yr market · 34K searches/yr · £12.51 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 38/100 · £74K/yr market · 34K searches/yr · £12.51 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Kontrol Crystals — £74K/yr Amazon UK Niche (2026) - Flapen"
---

# **kontrol crystals**

**Skip it**

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 18Growth 3Conversion 98Competition 23Returns 100Price range 53Avg price 54Brand share 0Review moat 73Quality gap 27

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Conversion**

**Incredible****17.2%**

search→purchase rate — share of searches ending in a sale

**Review moat**

**Good****580.73**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Good****£12.51**

avg listing price — sweet spot $15–$100

**Price range**

**Good****£4.95–£26.50**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Competition**

**Bad****73%**

top-5 click share — a locked-up shelf

**Market size**

**Bad****£74K**

£74K/yr · 34K searches

**Growth**

**Bad****-44.2%**

90-day search growth — must beat 0% to launch

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, kontrol crystals is a £74K/yr Amazon United Kingdom market (34K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Oct–Nov–Dec. Verdict: Skip it — 38/100.

Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **kontrol crystals market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**4K–5K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**£50K–£63K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**17.2%**</dd>

<dt>**Avg BSR**</dt><dd>**#148**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**40%**</dd>

<dt>**Sponsored**</dt><dd>**67%**</dd>

<dt>**Out of stock**</dt><dd>**0.9%**</dd>

<dt>**Avg brand age**</dt><dd>**52 months**</dd>

<dt>**Avg seller age**</dt><dd>**189 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**5 **▼falling

**Sellers**

**39**

**Top-5 brand share**

**100%**

Top 20: 100%

**Top-5 click share**

**73%**

Top 20: 100%

**Open market**

**0%**

- Kontrol68% - DTD QUALITY MATTERS19% - 1ABOVE9% - Quest2% - PERFECTONISH2%

## **Demand & seasonality**

Weekly Amazon search volume, last 94 weeks — -44.2% search growth over the last 90 days.

2K2KPrime Day '25Spike '25Black Friday '25Spike '26Prime Day '26 seasonDecMarJunAugNovMarMay

Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 6.2×

[**Open Trend **](https://flapen.com/research/uk/grocery/kontrol-crystals/trend)

## **Top kontrol crystals search terms**

- **kontrol crystals**11K/yr-40.3%15.3% conv. - **dehumidifier crystals**9K/yr-58.2%6.3% conv. - **dehumidifier crystals refills**6K/yr-45.2%7.5% conv. - **kontrol**5K/yr-20.5%9.3% conv. - **damp crystals**4K/yr-44.5%11.7% conv. [**All search terms **](https://flapen.com/research/uk/grocery/kontrol-crystals/search-terms)

## **Top kontrol crystals products on Amazon**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%£7K20%£15K30%£22K40%£30K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Kontrol Refill Damp Moisture Trap Absorber Crystals 2.5kg (3 Scent Free)](https://m.media-amazon.com/images/I/61x7uTQM7cL.jpg)**Kontrol Refill Damp Moisture Trap Absorber Crystals 2.5kg (3 Scent Free)**Kontrol**£15.94**4.7★1,995 rev](https://www.amazon.co.uk/dp/B00H0CUK8I) [2![Kontrol Refill Moisture Trap Damp Mould Absorber Crystals - Hygroscopic Calcium Chloride Dehumidifier for Condensation Mildew and Odor Removal - 2.5kg 1kg 0.5kg (500 Grams)](https://m.media-amazon.com/images/I/51jHgxN9RjL.jpg)**Kontrol Refill Moisture Trap Damp Mould Absorber Crystals - Hygroscopic Calcium Chloride Dehumidifier for Condensation Mildew and Odor Removal - 2.5kg 1kg 0.5kg (500 Grams)**DTD QUALITY MATTERS**£4.95**4.4★66 rev](https://www.amazon.co.uk/dp/B0DJD9TLF5) [3![Kontrol Moisture Trap Absorber Refill Crystals 5kg (2 x 2.5kg Krystals) (Scent Free)](https://m.media-amazon.com/images/I/61zdivWrUdL.jpg)**Kontrol Moisture Trap Absorber Refill Crystals 5kg (2 x 2.5kg Krystals) (Scent Free)**Kontrol**£12.46**4.7★972 rev](https://www.amazon.co.uk/dp/B00H0D46GE) [4![1Above Dehumidifier Crystal Refill 2kg Ideal for Home Office Garage Caravan & Boat](https://m.media-amazon.com/images/I/41WRGts3H2L.jpg)**1Above Dehumidifier Crystal Refill 2kg Ideal for Home Office Garage Caravan & Boat**1ABOVE**£6.50**4.7★108 rev](https://www.amazon.co.uk/dp/B0DSCG1G1M) [5![Kontrol Moisture Krystal Refill Pack - 2.5Kg (Scent Free)](https://m.media-amazon.com/images/I/51ODaQL60HL.jpg)**Kontrol Moisture Krystal Refill Pack - 2.5Kg (Scent Free)**Kontrol**£7.22**4.6★1,256 rev](https://www.amazon.co.uk/dp/B0017RPIKC)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Kontrol Damp Krystals Refill Bag Damp Moisture Trap (Lavender) (Pack of 2)](https://m.media-amazon.com/images/I/51wuXKyq9KL.jpg)**Kontrol Damp Krystals Refill Bag Damp Moisture Trap (Lavender) (Pack of 2)**Kontrol**£13.34**24 rev11mo ago](https://www.amazon.co.uk/dp/B0FMYPWHLK) [![Kontrol Damp Krystals Refill Bag Damp Moisture Trap (Lavender) (Pack of 3)](https://m.media-amazon.com/images/I/51pyXsK9TGL.jpg)**Kontrol Damp Krystals Refill Bag Damp Moisture Trap (Lavender) (Pack of 3)**Kontrol**£17.57**24 rev11mo ago](https://www.amazon.co.uk/dp/B0FMYKW77G) [![1Above Dehumidifier Crystal Refill 2kg Ideal for Home Office Garage Caravan & Boat](https://m.media-amazon.com/images/I/41WRGts3H2L.jpg)**1Above Dehumidifier Crystal Refill 2kg Ideal for Home Office Garage Caravan & Boat**1ABOVE**£6.50**108 rev1y ago](https://www.amazon.co.uk/dp/B0DSCG1G1M) [![Kontrol Refill Moisture Trap Damp Mould Absorber Crystals - Hygroscopic Calcium Chloride Dehumidifier for Condensation Mildew and Odor Removal - 2.5kg 1kg 0.5kg (500 Grams)](https://m.media-amazon.com/images/I/51jHgxN9RjL.jpg)**Kontrol Refill Moisture Trap Damp Mould Absorber Crystals - Hygroscopic Calcium Chloride Dehumidifier for Condensation Mildew and Odor Removal - 2.5kg 1kg 0.5kg (500 Grams)**DTD QUALITY MATTERS**£4.95**66 rev1y ago](https://www.amazon.co.uk/dp/B0DJD9TLF5) [![Kontrol Refill Moisture Trap Damp & Mould Absorber Crystals Hygroscopic Calcium Chloride Dehumidifier 1kg For Condensation Mildew Damp & Odour Removal](https://m.media-amazon.com/images/I/518-yZLvYKL.jpg)**Kontrol Refill Moisture Trap Damp & Mould Absorber Crystals Hygroscopic Calcium Chloride Dehumidifier 1kg For Condensation Mildew Damp & Odour Removal**DTD QUALITY MATTERS**£7.50**66 rev1y ago](https://www.amazon.co.uk/dp/B0DJD7XL5R)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Kontrol Refill Moisture Trap Damp & Mould Absorber Crystals Hygroscopic Calcium Chloride Dehumidifier 1kg For Condensation Mildew Damp & Odour Removal](https://m.media-amazon.com/images/I/518-yZLvYKL.jpg)**Kontrol Refill Moisture Trap Damp & Mould Absorber Crystals Hygroscopic Calcium Chloride Dehumidifier 1kg For Condensation Mildew Damp & Odour Removal**DTD QUALITY MATTERS**£7.50**4.4★**▲ 425%**](https://www.amazon.co.uk/dp/B0DJD7XL5R) [![5 x Kontrol Damp Krystals 2.5Kilo Refill Bag No Scent Damp Moisture Trap (Scent Free)](https://m.media-amazon.com/images/I/61kySkEcvSL.jpg)**5 x Kontrol Damp Krystals 2.5Kilo Refill Bag No Scent Damp Moisture Trap (Scent Free)**Kontrol**£26.50**4.8★**▲ 177%**](https://www.amazon.co.uk/dp/B01847HXZU) [![Kontrol Damp Krystals Refill Bag Damp Moisture Trap (Lavender) (Pack of 2)](https://m.media-amazon.com/images/I/51wuXKyq9KL.jpg)**Kontrol Damp Krystals Refill Bag Damp Moisture Trap (Lavender) (Pack of 2)**Kontrol**£13.34**4.6★**▲ 113%**](https://www.amazon.co.uk/dp/B0FMYPWHLK) [![1Above Dehumidifier Crystal Refill 2kg Ideal for Home Office Garage Caravan & Boat](https://m.media-amazon.com/images/I/41WRGts3H2L.jpg)**1Above Dehumidifier Crystal Refill 2kg Ideal for Home Office Garage Caravan & Boat**1ABOVE**£6.50**4.7★**▲ 87%**](https://www.amazon.co.uk/dp/B0DSCG1G1M) [![Kontrol Refill Moisture Trap Damp Mould Absorber Crystals - Hygroscopic Calcium Chloride Dehumidifier for Condensation Mildew and Odor Removal - 2.5kg 1kg 0.5kg (500 Grams)](https://m.media-amazon.com/images/I/51jHgxN9RjL.jpg)**Kontrol Refill Moisture Trap Damp Mould Absorber Crystals - Hygroscopic Calcium Chloride Dehumidifier for Condensation Mildew and Odor Removal - 2.5kg 1kg 0.5kg (500 Grams)**DTD QUALITY MATTERS**£4.95**4.4★**▲ 39%**](https://www.amazon.co.uk/dp/B0DJD9TLF5)

**~~View all trending →~~**

## **What buyers say about kontrol crystals**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**27%

*“Excellent product”*

**Value For Money**23%

*“Good price”*

**Advertised Vs Actual Product**18%

*“Does the job”*

**Efficiency**9%

*“works very well”*

**Ease Of Use**5%

*“Easy to use”*

**Smell**5%

*“with a lovely fragrance”*

**Moist/Dry**3%

*“Damp moisture control perfecti”*

**Absorbency**3%

*“It absorbs a great deal of moisture”*

**Water Resistance**1%

*“The water collection is amazing”*

**Size-Overall**1%

*“Nice big bag works well”*

### **What buyers complain about **

**Value For Money**50%

*“disappointed in size for price”*

**Functionality-Overall**25%

*“This wont work for that”*

### **Top return reasons **

**Size-Overall**75%

**Leak-Proof**25%

## **Common questions**

<dl>

<dt>**Is kontrol crystals profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £74K/yr across 15 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -44.2%. Flapen's verdict: Skip it (38/100).</dd>

<dt>**How competitive is the kontrol crystals niche?**</dt><dd>5 brands and 39 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 100% of demand.</dd>

<dt>**What do buyers complain about in kontrol crystals?**</dt><dd>Top complaints mined from reviews: Value For Money, Functionality-Overall. The return rate is 0.0%.</dd>

<dt>**When does demand for kontrol crystals peak?**</dt><dd>Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 6.2× the quietest.</dd>

<dt>**What does it cost to enter the kontrol crystals niche?**</dt><dd>Listings span £4.95–£26.50; the average listing price is £12.51 (sweet spot $15–$100). The average incumbent carries 581 reviews — the moat a new listing must climb.</dd>

</dl>

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