---
title: "Pure Cube Water Trough Filter — $16K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/pure-cube-water-trough-filter"
last_updated: "2026-07-22T21:32:39.687Z"
locale: en
meta:
  description: "Niche score 66/100 · $16K/yr market · 13K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 66/100 · $16K/yr market · 13K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Pure Cube Water Trough Filter — $16K/yr Amazon US Niche (2026) - Flapen"
---

# **pure cube water trough filter**

**Worth a look**

Shows demand growing +568.9% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 4Growth 100Conversion 69Competition 43Returns 96Price range 79Avg price 88Brand share 50Review moat 78Quality gap 100

**Growth**

**Incredible****+568.9%**

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

**Quality gap**

**Incredible****3.5★**

avg incumbent rating — lower means beatable quality

**Returns**

**Incredible****0.8%**

return rate — above 6% kills the launch gate

**Avg price**

**Great****$20.20**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$9.70–$37.02**

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

**Review moat**

**Great****443**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Good****6.3%**

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

**Brand share**

**Good****75%**

top-5 brand share — brands hold most of the demand

**Competition**

**Okay****59%**

top-5 click share — leaders hold, buyers still browse

**Market size**

**Bad****$16K**

$16K/yr · 13K searches

According to Flapen's Amazon United States niche tracking, pure cube water trough filter is a $16K/yr Amazon United States market (13K searches/yr). The top 5 brands hold 75% of demand. Verdict: Worth a look — 66/100.

Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **pure cube water trough filter market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**750–1K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$15K–$20K**</dd><dd>units × avg price</dd>

<dt>**Launch success**</dt><dd>**0%**</dd><dd>0 of 11 new (360d)</dd>

<dt>**Conversion rate**</dt><dd>**6.3%**</dd>

<dt>**Avg BSR**</dt><dd>**#886**</dd>

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

<dt>**Prime**</dt><dd>**86%**</dd>

<dt>**Sponsored**</dt><dd>**90%**</dd>

<dt>**Out of stock**</dt><dd>**24.3%**</dd>

<dt>**Avg brand age**</dt><dd>**41 months**</dd>

<dt>**Avg seller age**</dt><dd>**188 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**14 **—flat

**Sellers**

**22**

**Top-5 brand share**

**75%**

Top 20: 100%

**Top-5 click share**

**59%**

Top 20: 99%

**Open market**

**20%**

- Generic28% - FKSC18% - Loisdaro15% - Hortsun7% - Airmax7% - Flkaskf5%

## **Demand**

Weekly Amazon search volume, last 48 weeks — +568.9% search growth over the last 90 days.

1K600Spike '25Spike '26Aug '25Sep '25Nov '25Jan '26Mar '26May '26

[**Open Trend **](https://flapen.com/research/us/pet-supplies/pure-cube-water-trough-filter/trend)

## **Top pure cube water trough filter search terms**

- **pure cube water trough filter**6K/yr>1,000%7.2% conv. - **water trough filter**3K/yr+160.7%4.7% conv. - **pure cube**2K/yr>1,000%6.9% conv. - **filternatur horse water trough filter**1K/yr+0.0%0.0% conv. [**All search terms **](https://flapen.com/research/us/pet-supplies/pure-cube-water-trough-filter/search-terms)

## **Top pure cube water trough filter 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%$2K20%$3K30%$5K40%$6K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 21 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Pure Cube Water Trough Filter - Activated Carbon Filters for Horse Troughs Fish Tanks Ponds & Livestock Tanks - Super Strong Filtration & Odor Control - Honeycomb Charcoal Cube (2Pcs)](https://m.media-amazon.com/images/I/51Vt+dNoOkL.jpg)**Pure Cube Water Trough Filter - Activated Carbon Filters for Horse Troughs Fish Tanks Ponds & Livestock Tanks - Super Strong Filtration & Odor Control - Honeycomb Charcoal Cube (2Pcs)**Generic**$37.00**1.9★5 rev](https://www.amazon.com/dp/B0FGYFWV3T) [2![2pcs Cubic Water Trough Filter for Honeycomb Charcoal Activated Carbon Media Suitable for Fish Tanks Ponds Livestock Tanks & Aquarium Purifiers](https://m.media-amazon.com/images/I/5198iSIC5gL.jpg)**2pcs Cubic Water Trough Filter for Honeycomb Charcoal Activated Carbon Media Suitable for Fish Tanks Ponds Livestock Tanks & Aquarium Purifiers**Loisdaro**$25.71**3.9★13 rev](https://www.amazon.com/dp/B0FGN9NWQ4) [3![Pure Cube Water Trough Filter 2.0 SuperStrong Filtration Aquarium Water Trough Activated Carbon Purifier Cube for Horse Livestock Fish Tanks & Ponds Bluefor 20 Gallons Tank](https://m.media-amazon.com/images/I/51gbiktODQL.jpg)**Pure Cube Water Trough Filter 2.0 SuperStrong Filtration Aquarium Water Trough Activated Carbon Purifier Cube for Horse Livestock Fish Tanks & Ponds Bluefor 20 Gallons Tank**FKSC**$16.40**4.1★35 rev](https://www.amazon.com/dp/B0G1BXW99G) [4![Hortsun 2 Pcs Pure Cube Water Trough Filter with 2 Packs of Filter Materials Aquarium Water Trough Purifier Cubic Purification Material Storage Box for Fish Tanks Horse Troughs Ponds Tanks](https://m.media-amazon.com/images/I/51dSjeLAz+L.jpg)**Hortsun 2 Pcs Pure Cube Water Trough Filter with 2 Packs of Filter Materials Aquarium Water Trough Purifier Cubic Purification Material Storage Box for Fish Tanks Horse Troughs Ponds Tanks**Hortsun**$19.67**3.9★11 rev](https://www.amazon.com/dp/B0FNM9H3KZ) [5![Pure Cube Water Trough Filter 2.0 SuperStrong Filtration Aquarium Water Trough Activated Carbon Purifier Cube for Horse Livestock Fish Tanks & Ponds Red for 20 Gallons Tank](https://m.media-amazon.com/images/I/51dTYmd-i4L.jpg)**Pure Cube Water Trough Filter 2.0 SuperStrong Filtration Aquarium Water Trough Activated Carbon Purifier Cube for Horse Livestock Fish Tanks & Ponds Red for 20 Gallons Tank**FKSC**$15.26**4.1★35 rev](https://www.amazon.com/dp/B0G1C42HGS)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Pure Cube Water Trough Filter 3.0 SuperStrong Filtration Aquarium Water Trough Activated Carbon Purifier Cube for Horse Livestock Fish Tanks & Ponds Green for 20 Gallons Tank](https://m.media-amazon.com/images/I/51dlEYT74aL.jpg)**Pure Cube Water Trough Filter 3.0 SuperStrong Filtration Aquarium Water Trough Activated Carbon Purifier Cube for Horse Livestock Fish Tanks & Ponds Green for 20 Gallons Tank**FKSC**$17.20**35 rev3mo ago](https://www.amazon.com/dp/B0GVQDX7XM) [![Yanhe Cubic Water Trough Filter 2.0 Activated Carbon Purifier for Fish Tanks Ponds Livestock Tanks Aquarium 2PCS](https://m.media-amazon.com/images/I/51qQXWIwBXL.jpg)**Yanhe Cubic Water Trough Filter 2.0 Activated Carbon Purifier for Fish Tanks Ponds Livestock Tanks Aquarium 2PCS**yanhe**$27.88**3 rev3mo ago](https://www.amazon.com/dp/B0GV3VW9TV) [![Cubic Water Trough Filter2.0 Activated Carbon Purifier for Fish Tanks Ponds Livestock Tanks Aquarium](https://m.media-amazon.com/images/I/51aK-Wll2GL.jpg)**Cubic Water Trough Filter2.0 Activated Carbon Purifier for Fish Tanks Ponds Livestock Tanks Aquarium**yanhe**$13.36**3 rev6mo ago](https://www.amazon.com/dp/B0GG9PWC58) [![Pure Cube Water Trough Filter 2.0 SuperStrong Filtration Aquarium Water Trough Activated Carbon Purifier Cube for Horse Livestock Fish Tanks & Ponds Bluefor 20 Gallons Tank](https://m.media-amazon.com/images/I/51gbiktODQL.jpg)**Pure Cube Water Trough Filter 2.0 SuperStrong Filtration Aquarium Water Trough Activated Carbon Purifier Cube for Horse Livestock Fish Tanks & Ponds Bluefor 20 Gallons Tank**FKSC**$16.40**35 rev8mo ago](https://www.amazon.com/dp/B0G1BXW99G) [![Pure Cube Water Trough Filter 2.0 SuperStrong Filtration Aquarium Water Trough Activated Carbon Purifier Cube for Horse Livestock Fish Tanks & Ponds Red for 20 Gallons Tank](https://m.media-amazon.com/images/I/51dTYmd-i4L.jpg)**Pure Cube Water Trough Filter 2.0 SuperStrong Filtration Aquarium Water Trough Activated Carbon Purifier Cube for Horse Livestock Fish Tanks & Ponds Red for 20 Gallons Tank**FKSC**$15.26**35 rev8mo ago](https://www.amazon.com/dp/B0G1C42HGS)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Cubic Water Trough Filter2.0 Activated Carbon Purifier for Fish Tanks Ponds Livestock Tanks Aquarium](https://m.media-amazon.com/images/I/51aK-Wll2GL.jpg)**Cubic Water Trough Filter2.0 Activated Carbon Purifier for Fish Tanks Ponds Livestock Tanks Aquarium**yanhe**$13.36**2.5★**▲ 68%**](https://www.amazon.com/dp/B0GG9PWC58) [![Pure Cube Water Trough Filter 3.0 SuperStrong Filtration Aquarium Water Trough Activated Carbon Purifier Cube for Horse Livestock Fish Tanks & Ponds Green for 20 Gallons Tank](https://m.media-amazon.com/images/I/51dlEYT74aL.jpg)**Pure Cube Water Trough Filter 3.0 SuperStrong Filtration Aquarium Water Trough Activated Carbon Purifier Cube for Horse Livestock Fish Tanks & Ponds Green for 20 Gallons Tank**FKSC**$17.20**4.1★**▲ 68%**](https://www.amazon.com/dp/B0GVQDX7XM) [![Yanhe Cubic Water Trough Filter 2.0 Activated Carbon Purifier for Fish Tanks Ponds Livestock Tanks Aquarium 2PCS](https://m.media-amazon.com/images/I/51qQXWIwBXL.jpg)**Yanhe Cubic Water Trough Filter 2.0 Activated Carbon Purifier for Fish Tanks Ponds Livestock Tanks Aquarium 2PCS**yanhe**$27.88**2.5★**▲ 68%**](https://www.amazon.com/dp/B0GV3VW9TV) [![Water Trough Filter 2.0 Eco Aquarium Water Purifier Cube with Honeycomb Charcoal for Fish Tanks Horse Troughs Livestock & Stock Tanks](https://m.media-amazon.com/images/I/41s3MOl8f3L.jpg)**Water Trough Filter 2.0 Eco Aquarium Water Purifier Cube with Honeycomb Charcoal for Fish Tanks Horse Troughs Livestock & Stock Tanks**Loisdaro**$17.84**3.9★**▲ 68%**](https://www.amazon.com/dp/B0FVKR11YQ) [![Pure Cube Water Trough Filter 2.0 SuperStrong Filtration Aquarium Water Trough Activated Carbon Purifier Cube for Horse Livestock Fish Tanks & Ponds Red for 20 Gallons Tank](https://m.media-amazon.com/images/I/51dTYmd-i4L.jpg)**Pure Cube Water Trough Filter 2.0 SuperStrong Filtration Aquarium Water Trough Activated Carbon Purifier Cube for Horse Livestock Fish Tanks & Ponds Red for 20 Gallons Tank**FKSC**$15.26**4.1★**▲ 63%**](https://www.amazon.com/dp/B0G1C42HGS)

**~~View all trending →~~**

## **What buyers say about pure cube water trough filter**

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

### **What buyers love **

**Filtration**20%

*“Effective Trough Filter with Clear Results”*

**Ease Of Cleaning**15%

*“It saves time on trough cleaning”*

**Advertised Vs Actual Product**12%

*“Works as advertised”*

**Quality-Overall**11%

*“This cube is well built”*

**Water Flow**6%

*“Effective, it really helped clear the water in my pond”*

**Value For Money**6%

*“is a good value as a multi-pack”*

**Efficiency**4%

*“Works great”*

**Ease Of Use**4%

*“Easy to use”*

**Plant Growth**4%

*“This product has worked very well for us in controlling algae”*

**Strength**2%

*“still going strong”*

### **What buyers complain about **

**Functionality-Overall**27%

*“didnt completely correct the problem”*

**Filtration**24%

*“The fitting that is supposed to screw into the filter housing wont work”*

**Size-Overall**8%

*“its pretty big”*

**Instructions/User Manual/Troubleshooting**6%

*“Direction on box not great”*

**Stale/Rotten/Spoiled**5%

*“Got algae”*

**Value For Money**2%

*“Complete waste of money”*

**Quality-Overall**2%

*“Cheap”*

**Residue**2%

*“there was charcoal residue all over the package”*

**Material Quality**2%

*“They break apart cheap plastic - dont waste your money”*

**Ease Of Cleaning**2%

*“required cleaning far too often”*

### **Top return reasons **

**Size-Overall**45%

**Filtration**12%

**Defective Material/Parts**8%

**Functionality-Overall**7%

**Advertised Vs Actual Product**5%

**Compatibility-Overall**5%

**Leak-Proof**4%

**Material Quality**2%

**Instructions/User Manual/Troubleshooting**2%

**Ease Of Cleaning**1%

## **Common questions**

<dl>

<dt>**Is pure cube water trough filter profitable to sell on Amazon United States?**</dt><dd>The niche generates $16K/yr across 21 tracked products. 0 of 11 products launched in the last 360 days are still selling. 90-day search growth is +568.9%. Flapen's verdict: Worth a look (66/100).</dd>

<dt>**How competitive is the pure cube water trough filter niche?**</dt><dd>14 brands and 22 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 75% of demand.</dd>

<dt>**What do buyers complain about in pure cube water trough filter?**</dt><dd>Top complaints mined from reviews: Functionality-Overall, Filtration, Size-Overall. The return rate is 0.8%.</dd>

<dt>**What does it cost to enter the pure cube water trough filter niche?**</dt><dd>Listings span $9.70–$37.02; the average listing price is $20.20 (sweet spot $15–$100). The average incumbent carries 443 reviews — the moat a new listing must climb.</dd>

</dl>

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