Ph Down
FailThe top 5 brands take 95% of clicks, so Ph Down is a Fail.
- Flapen Score
- 49 / 100Ranks 6,400 of 8,839 Patio, Lawn & Garden niches · −7 vs the category median of 5649
- Market size
- $114K/yr54K searches / yr
- 90-day growth
- +30.4%search demand this quarter
- Competition
- 72%top-5 click share · 8 brands · 32 sellers
Flapen Score
Ph Down against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Ph Down is stronger. Inside it, weaker.
Market
The Ph Down market on Amazon at a glance
Shoppers on Amazon United States searched for Ph Down 54K times last year and spent an estimated $114K. The top 5 brands take 95% of clicks. Demand peaks in Jul–Aug–Sep. Flapen scores it 49 out of 100, a Fail.
01 · Demand
An estimated 11.7% of those searches ended in a purchase.
Shoppers searched for this 54K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 11.7% of those searches ended in a purchase. Searches in the last 90 days moved +30.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $114K a year.
- Searches, last 12 months
- 54K
- Growth, 90 days vs prior 90
- +30.4%
- Conversion, latest week
- 11.7%
- Market size, estimated
- $114Ka year
- Peak month
- August3.7× the quietest month
- Top search term
- ph down for plants37K searches a year
02 · Price
A sale here is worth $18.01.
Listings sell for $18.01 on average, from $10.73 to $32.96. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 500 to 750 of them. At $18.01 that is $9K to $14K a year per listing.
- Average price
- $18.01inside the $15 to $100 sweet spot
- Price range
- $10.73–$32.96
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 6K–8K
- Units per listing a year
- 500–750
- Revenue per listing a year
- $9K–$14K
- Returns
- 0.2%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
86% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #591 within Hydroponics. It carries 4,323 reviews at 4.57 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 86%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #591in Hydroponics
- Average rating
- 4.57 starsAmazon United States average 4.42 stars
- Average reviews
- 4,323per listing
- Listings tracked
- 14
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 82 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 82 months
Products
Top Ph Down products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 14, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
General Hydroponics HGC722120 Liquid Premium Buffering for pH Stability Quart Orange
- Price
- $15.13
- Rating
- 4.8/5
- Reviews
- 10,930
- Age
- 16y ago

General Hydroponics pH Down Liquid Premium Buffering For pH Stability 1-Gallon
- Price
- $32.96
- Rating
- 4.8/5
- Reviews
- 10,930
- Age
- 22y ago

Microbe Life Hydroponics pH Down pH Control Liquid Premium Buffering for pH Stability Decreases pH Levels Use with Any Feeding Systems Including Hydroponics or Soil 16 Ounces
- Price
- $13.05
- Rating
- 4.0/5
- Reviews
- 894
- Age
- 11y ago

FoxFarm Cultivation Nation pH Down for Plants Nutrient Solutions - Formulated with Citric Acid for Adjustment - Ideal for Soil & Hydroponics Lowers pH Levels of Nutrient Solution - 1 Pint
- Price
- $18.41
- Rating
- 4.5/5
- Reviews
- 519
- Age
- 5y ago

General Hydroponics Ph Control Kit
- Price
- $20.77
- Rating
- 4.7/5
- Reviews
- 28,701
- Age
- 22y ago
Trending
estimated 90-day click momentum
TPS NUTRIENTS Ultra Strength pH Down Professional Acid pH Adjuster for Soil and Hydroponics Buffering and Stability Control 8 oz (250mL)
- Price
- $11.89
- Rating
- 4.5/5
- Reviews
- 45
- Age
- 2y ago

YINMIK General Hydroponics pH Down Liquid pH Control Liquid Decreases pH Levels 250ml Premium Buffering for pH Stability Suitable for All Hydroponics Feeding Systems Both for Soil and Water
- Price
- $10.73
- Rating
- 4.7/5
- Reviews
- 38
- Age
- 11mo ago

FoxFarm Cultivation Nation pH Down for Plants Nutrient Solutions - Formulated with Citric Acid for Adjustment - Ideal for Soil & Hydroponics Lowers pH Levels of Nutrient Solution - 1 Pint
- Price
- $18.41
- Rating
- 4.5/5
- Reviews
- 519
- Age
- 5y ago

Bloom City pH Down Liquid pH Adjuster 8 oz
- Price
- $11.94
- Rating
- 4.6/5
- Reviews
- 1,309
- Age
- 4y ago

Bloom City pH Down Liquid pH Adjuster 32 oz
- Price
- $18.92
- Rating
- 4.6/5
- Reviews
- 1,309
- Age
- 8y ago
Newest
by launch date
YINMIK General Hydroponics pH Down Liquid pH Control Liquid Decreases pH Levels 250ml Premium Buffering for pH Stability Suitable for All Hydroponics Feeding Systems Both for Soil and Water
- Price
- $10.73
- Rating
- 4.7/5
- Reviews
- 38
- Age
- 11mo ago

TPS NUTRIENTS Ultra Strength pH Down Professional Acid pH Adjuster for Soil and Hydroponics Buffering and Stability Control 8 oz (250mL)
- Price
- $11.89
- Rating
- 4.5/5
- Reviews
- 45
- Age
- 2y ago

Humboldts Secret pH Down for Plants | Liquid pH Adjuster and Balancer for Soil Coco Hydroponics | Concentrated Phosphoric Acid Solution Supporting Nutrient Uptake and Strong Growth | 32 Ounce
- Price
- $20.54
- Rating
- 4.7/5
- Reviews
- 469
- Age
- 3y ago

Bloom City pH Down Liquid pH Adjuster 8 oz
- Price
- $11.94
- Rating
- 4.6/5
- Reviews
- 1,309
- Age
- 4y ago

FOLLOWIN pH Up and Down Control Kit for Hydroponics Soil Gardens & Aquariums - Concentrated Liquid pH Adjuster Set (9 oz + 9 oz) with pH Indicator - Balanced Nutrient Solution for Plants
- Price
- $20.34
- Rating
- 4.3/5
- Reviews
- 722
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 72% of clicks. A locked shelf that new listings rarely crack.
Brands
8 rising
Sellers
32
Est. top-5 brand share
95%
Top 20: 100%
Est. top-5 click share
72%
Top 20: 100%
Open market
5%
- General Hydroponics56%
- Microbe Life Hydroponics11%
- FoxFarm11%
- Bloom City10%
- Humboldts Secret4%
- TPS NUTRIENTS4%
- Open — no brand owns it (2 brands, 5%)
Demand
Ph Down search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jul, Aug, Sep · busiest ÷ quietest = 3.7×
Search terms
Top Ph Down search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- ph down for plants37K/yr
- ph down hydroponic10K/yr
- general hydroponics ph down6K/yr
Reviews and returns
What reviews say buyers love and hate about Ph Down
We read the reviews and the return reasons for every product selling here.
“Did not work”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
17 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Ph Down questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









