---
title: "Bullfrog Spa Filter — $127K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/bullfrog-spa-filter"
last_updated: "2026-08-06T06:12:21.546Z"
locale: en
meta:
description: "Niche score 57/100 · $127K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 57/100 · $127K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Bullfrog Spa Filter — $127K/yr Amazon US Niche (2026) - Flapen"
---
# **bullfrog spa filter**
**Worth a look**
Shows a thin review moat (77 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 29Growth 37Conversion 83Competition 45Returns 72Price range 95Avg price 95Brand share 52Review moat 96Quality gap 50
**Review moat**
**Incredible****76.85**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Incredible****$42.83**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$27.86–$71.73**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****9.1%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Good****2.1%**
return rate — above 5% kills the launch gate
**Brand share**
**Good****74%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Good****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****58%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+9.8%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$127K**
$127K/yr · 33K searches
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, bullfrog spa filter is a $127K/yr Amazon United States market (33K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Oct–Nov. Verdict: Worth a look — 57/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **bullfrog spa filter market data**
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **$128K–$171K**
- units × avg price
- **Conversion rate**
- **9.1%**
- **Avg BSR**
- **#634**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **14.1%**
- **Avg brand age**
- **26 months**
- **Avg seller age**
- **229 days**
## **Competition & brand share**
The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **—flat
**Sellers**
**17**
**Top-5 brand share**
**74%**
Top 20: 100%
**Top-5 click share**
**58%**
Top 20: 100%
**Open market**
**20%**
- Vickmons25% - Macaberry24% - Beckacher10% - Grefilt8% - Hot Tub Things6% - Havuzpas6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +9.8% search growth over the last 90 days.
1K600Spike '24Spike '25Prime Day '25 seasonSepDecMarJunAugNovMarMay
Peak months: Oct, Nov · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/bullfrog-spa-filter/trend)
## **Top bullfrog spa filter search terms**
- **bullfrog spa filter**19K/yr+7.8%9.9% conv. - **wellspring 10-00282 bullfrog filter**6K/yr+1.0%11.7% conv. - **bullfrog hot tub filters**5K/yr+12.7%8.9% conv. - **bullfrog spa filters**3K/yr+47.5%8.6% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/bullfrog-spa-filter/search-terms)
## **Top bullfrog spa 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%5%$6K10%$13K15%$19K20%$25K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 20 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Macaberry PBF40M Spa Hot Tub Filter Replacement Compatible with Pleatco PBF40M Bullfrog Spas Wellspring 30 Coreless 10-00282. 2 Pack**Macaberry**$39.41**4.3★185 rev](https://www.amazon.com/dp/B0BZYXPMS9) [2**Vickmons 10-00814 Hot Tub Spa Flat Filters Compatible with Bullfrog M Series M6 M7 M8 M9 Swim Series S150 S180XD S200 and A Series A5 A6 A7 A8 A9 (2023 to Present) Pack of 4**Vickmons**$39.18**4.6★64 rev](https://www.amazon.com/dp/B0DR8RSBXR) [3**Vickmons 2 Pack PBF40M Spa Hot Tub Filter Replacement Compatible with Pleatco PBF40M Bull Frog Spas Wellspring 30 Coreless 10-00282**Vickmons**$38.77**4.1★192 rev](https://www.amazon.com/dp/B0BLVHR7DH) [4**Grefilt 10-00282 Hot Tub Filter Compatible with Bullfrog Spa Filter Wellspring 30 Coreless 10-00282 Pleatco PBF40M 30 sq.ft. 2-Pack**Grefilt**$38.74**4.6★47 rev](https://www.amazon.com/dp/B0FDB675CW) [5**Beckacher 10-00814 Hot Tub Spa Flat Filters Compatible with Bullfrog M Series M6 M7 M8 M9 A Series A5 A6 A7 A8 A9 (2023 to Present) and Swim Series S150 S180XD S200-4 Pack**Beckacher**$34.48**4.5★46 rev](https://www.amazon.com/dp/B0DWSVJM4N)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**TALANDO 2-Pack 10-00282 Hot Tub Filter Compatible with Bullfrog Spa Filter Wellspring 30 Coreless 10-00282 Pleatco PBF40M 30 sq.ft.**TALANDO**$28.39**17 rev5mo ago](https://www.amazon.com/dp/B0GLMNMHDK) [**ZUJAR PBF40 Spa Hot Tub Filter Replacement Compatible with Pleatco PBF40M Bullfrog Spas Wellspring 30 Coreless 10-00282. 2 Pack**ZUJAR**$28.67**9 rev5mo ago](https://www.amazon.com/dp/B0GLMXNQFC) [**AmiBron 8CH-950 Bullfrog Spa Filter Compatible with PBF35 PBF50-F2S 10-2785 FC-0536 XLS-834 15052 AK-90311 2 SAE Thread Bullfrog Hot Tub Filter 2PACK**AmiBron**$48.98**2 rev9mo ago](https://www.amazon.com/dp/B0FXVSM3YZ) [**Macaberry PBF40M Spa Hot Tub Filter Replacement Compatible with Pleatco PBF40M Bullfrog Spas Wellspring 30 Coreless 10-00282. 4 Pack**Macaberry**$71.73**185 rev10mo ago](https://www.amazon.com/dp/B0FQ5SJQHD) [**Grefilt 10-00282 Hot Tub Filter Compatible with Bullfrog Spa Filter Wellspring 30 Coreless 10-00282 Pleatco PBF40M 30 sq.ft. 2-Pack**Grefilt**$38.74**47 rev1y ago](https://www.amazon.com/dp/B0FDB675CW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**TALANDO 2-Pack 10-00282 Hot Tub Filter Compatible with Bullfrog Spa Filter Wellspring 30 Coreless 10-00282 Pleatco PBF40M 30 sq.ft.**TALANDO**$28.39**5.0★**▲ 272%**](https://www.amazon.com/dp/B0GLMNMHDK) [**ZUJAR PBF40 Spa Hot Tub Filter Replacement Compatible with Pleatco PBF40M Bullfrog Spas Wellspring 30 Coreless 10-00282. 2 Pack**ZUJAR**$28.67**5.0★**▲ 235%**](https://www.amazon.com/dp/B0GLMXNQFC) [**2 Packs Wellspring 10-00282 Bullfrog SPA Filter - Spa Filter Replacement Cartridge Compatible with Spa Hot Tub Filter Replacement for Pleatco PBF40 and PBF40M Wellspring 30 Coreless Filter SD-01389**Havuzpas**$28.94**4.6★**▲ 116%**](https://www.amazon.com/dp/B0GD1Q218F) [**Macaberry 10-00814 Hot Tub Spa Flat Filters Compatible with Bullfrog M Series M6 M7 M8 M9 Swim Series S150 S180XD S200 and A Series A5 A6 A7 A8 A9 (2023 to Present) 6 Pack**Macaberry**$51.63**4.3★**▲ 71%**](https://www.amazon.com/dp/B0DR8RVHR5) [**Beckacher 2-Pack Hot tub& SPa Filter Compatible with Pleatco PBF40M Pleatco PBF40-M Bull Frog Wellspring 30 Coreless 10-00282 Filter Cartridge**Beckacher**$27.86**4.4★**▲ 51%**](https://www.amazon.com/dp/B0CQ2SNZJF)
**~~View all trending →~~**
## **What buyers say about bullfrog spa filter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**38%
*“Fit as expected”*
**Filtration**17%
*“Quality Filters”*
**Value For Money**15%
*“Great Value”*
**Quality-Overall**11%
*“These filters seem to be of good quality”*
**Assembly/Installation**3%
*“Easy to use and install”*
**Ease Of Use**2%
*“Easy to use”*
**Advertised Vs Actual Product**2%
*“Works as described”*
**Durability**2%
*“The quality feels durable”*
**Ease Of Cleaning**2%
*“keep things clean without rushing”*
**Material Quality**1%
*“The material feels sturdy”*
### **What buyers complain about **
**Durability**20%
*“These are not durable at all”*
**Size-Overall**18%
*“Didnt fit”*
**Filtration**15%
*“Filters are thin”*
**Quality-Overall**8%
*“if you like the higher quality, expensive filters, these dont come close in comparison”*
**Ease Of Cleaning**6%
*“don't really clean very well”*
**Material Quality**5%
*“Weird material that doesn't really filter”*
**Strength**3%
*“seem to fall apart”*
**Advertised Vs Actual Product**3%
*“In spite of what the listing says”*
**Thickness**2%
*“They dont feel as dense as the OEM”*
**Weight Heavy**2%
*“Not quite as hefty as the originals”*
### **Top return reasons **
**Size-Overall**50%
**Filtration**31%
**Advertised Vs Actual Product**11%
**Value For Money**1%
**Shape/Style**1%
**Functionality-Overall**1%
**Add-Ons/Attachments**1%
**Quality-Overall**1%
**Thin**1%
**Defective Material/Parts**1%
## **Common questions**
- **Is bullfrog spa filter profitable to sell on Amazon United States?**
- The niche generates $127K/yr across 20 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is +9.8%. Flapen's verdict: Worth a look (57/100).
- **How competitive is the bullfrog spa filter niche?**
- 14 brands and 17 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 74% of demand.
- **What do buyers complain about in bullfrog spa filter?**
- Top complaints mined from reviews: Durability, Size-Overall, Filtration. The return rate is 2.1%.
- **When does demand for bullfrog spa filter peak?**
- Demand peaks in Oct–Nov; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the bullfrog spa filter niche?**
- Listings span $27.86–$71.73; the average listing price is $42.83 (sweet spot $15–$100). The average incumbent carries 77 reviews — the moat a new listing must climb.
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