ph up for hot tub spa
Skip itA concentrated shelf (top 5 take 96% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible36.8%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Market size
Good$630K$630K/yr · 132K searches
Avg price
Good$12.96avg listing price — sweet spot $15–$100
Price range
Good$7.94–$24.61cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Okay2,861.67avg incumbent reviews — the moat a new listing must climb
Growth
Okay+5.7%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Brand share
Bad96%top-5 brand share — brand-locked demand
Competition
Bad96%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, ph up for hot tub spa is a $630K/yr Amazon United States market (132K searches/yr). The top 5 brands hold 96% of demand. Verdict: Skip it — 46/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
ph up for hot tub spa market data
- Units sold / yr
- 50K–60K
- avg 6,000–8,000/product
- Revenue / yr
- $648K–$778K
- units × avg price
- Conversion rate
- 36.8%
- Avg BSR
- #32
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 87 months
- Avg seller age
- 153 days
Competition & brand share
The top 5 products capture 96% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 falling
Sellers
61
Top-5 brand share
96%
Top 20: 100%
Top-5 click share
96%
Top 20: 100%
Open market
0%
- LEISURE TIME67%
- CLOROX Pool&Spa11%
- SpaGuard9%
- hth Spa5%
- FROG4%
- MAV AquaDoc4%
Demand & seasonality
Weekly Amazon search volume, last 103 weeks — +5.7% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top ph up for hot tub spa search terms
- ph up hot tub41K/yr
- spa up18K/yr
- spa up for hot tub19K/yr
- spa ph up10K/yr
- leisure time spa up11K/yr
- hot tub ph up7K/yr
- ph up for hot tub3K/yr
- spa ph up for hot tub4K/yr
- ph plus for hot tub spa6K/yr
- spa up leisure time spa3K/yr
Top ph up for hot tub spa 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.
All 6 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Leisure Time 22339A Spa Up pH Increaser for Hot Tubs Prevents Corrosion and Equipment Damage Compatible with Various Sanitizers 2 lbs
LEISURE TIME$10.494.7★6,867 rev
CLOROX Pool&Spa 10018CSP Spa PH Up Pool Balancer 18 oz.
CLOROX Pool&Spa$7.944.7★3,200 rev
SpaGuard pH Increaser 1.12 lb Single Pack
SpaGuard$11.684.8★5,618 rev
HTH Spa 86133 pH Up Spa & Hot Tub Chemical Raises pH Prevents Corrosion 2 lbs
hth Spa$9.084.7★915 rev
FROG JumpH pH Increaser for Hot Tubs and Swim Spas - 2 lb Bottle with TruDose Measuring Cap for Easy Maintenance & Balancing - 1 Pack
FROG$13.974.6★139 rev
Newest
by launch dateFROG JumpH pH Increaser for Hot Tubs and Swim Spas - 2 lb Bottle with TruDose Measuring Cap for Easy Maintenance & Balancing - 1 Pack
FROG$13.97139 rev
AquaDoc Spa pH Increaser for Hot Tub - 32oz - Spa pH Up for Water Balance - Hot Tub Chemicals Made in USA
MAV AquaDoc$24.61431 rev
HTH Spa 86133 pH Up Spa & Hot Tub Chemical Raises pH Prevents Corrosion 2 lbs
hth Spa$9.08915 rev
CLOROX Pool&Spa 10018CSP Spa PH Up Pool Balancer 18 oz.
CLOROX Pool&Spa$7.943,200 rev
SpaGuard pH Increaser 1.12 lb Single Pack
SpaGuard$11.685,618 rev
Trending
90-day click momentumFROG JumpH pH Increaser for Hot Tubs and Swim Spas - 2 lb Bottle with TruDose Measuring Cap for Easy Maintenance & Balancing - 1 Pack
FROG$13.974.6★
SpaGuard pH Increaser 1.12 lb Single Pack
SpaGuard$11.684.8★
CLOROX Pool&Spa 10018CSP Spa PH Up Pool Balancer 18 oz.
CLOROX Pool&Spa$7.944.7★
Leisure Time 22339A Spa Up pH Increaser for Hot Tubs Prevents Corrosion and Equipment Damage Compatible with Various Sanitizers 2 lbs
LEISURE TIME$10.494.7★
AquaDoc Spa pH Increaser for Hot Tub - 32oz - Spa pH Up for Water Balance - Hot Tub Chemicals Made in USA
MAV AquaDoc$24.614.4★
What buyers say about ph up for hot tub spa
What buyers praise and complain about, mined from review topics.What buyers love
“As advertised”
“Good value”
“Easy to use”
“no complaints, just results”
“Works well”
“Effective”
“It does the job by view for the last three years on my Jacuzzi”
“Wow I put it in the tub and it instantly raised the ph up to its normal level, and just like that were are splashing all over in comfortable warm water and perfect ph”
“Stuff Works keeps our pH looking perfect”
“I love the fact that it comes with a cat that you can measure the content”
What buyers complain about
“Also hard to open at first”
“The bag was also leaking white powder”
“it was much smaller than what I have received in the past by same brand”
“Terrible Value”
“Item was previously used”
“Smaller granular means more waste”
“I couldnt tell if the amount looked wrong because it was wrong or because it was broken by a hole in the middle”
Top return reasons
Common questions
- Is ph up for hot tub spa profitable to sell on Amazon United States?
- The niche generates $630K/yr across 6 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +5.7%. Flapen's verdict: Skip it (46/100).
- How competitive is the ph up for hot tub spa niche?
- 6 brands and 61 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 96% of demand.
- What do buyers complain about in ph up for hot tub spa?
- Top complaints mined from reviews: Ease Of Use, Leak-Proof, Size-Overall. The return rate is 0.5%.
- When does demand for ph up for hot tub spa peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the ph up for hot tub spa niche?
- Listings span $7.94–$24.61; the average listing price is $12.96 (sweet spot $15–$100). The average incumbent carries 2,862 reviews — the moat a new listing must climb.