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PhosGuard 4 L 1 gal.
4th Jul 2026, 09:20 AM

PhosGuard, 4 L / 1 gal.

Price may vary by location, shipping cost, and availability.
$61.05

Buy @ amazon.com
Highest: $84.38
Average: $56.68
Lowest: $36.50

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Based our analysis and observation, there is 77.41% chance that the price of PhosGuard 4 L 1 gal. will increase. Price of product might fluctuate between 2% and 6% of current price.*

Price History Graph

Offer Price Prices
Lowest: -
Average: -
Highest: -

Price History Information

You can check the price history of PhosGuard, 4 L / 1 gal. here. This product's current Price in USA is $61.05. The average and highest prices are $56.68 and $84.38 respectively.

Lowest Ever Price $36.50
9th Jan 2017
Average Price $56.68
Based on 5583 days price tracking
Highest Price $84.38
15th Feb 2023

Price History of All Variants of PhosGuard 4 L 1 gal.

PhosGuard 2 L 67.6 oz.
Offer Price: $25.84

PhosGuard, 2 L / 67.6 oz.

Get Deal

Seachem PhosGuard 250ml
Offer Price: $9.99

Seachem PhosGuard 250ml

Get Deal

PhosGuard 4 L 1 gal.
Offer Price: $61.05

PhosGuard, 4 L / 1 gal.

Get Deal

Seachem PhosGuard 250ml Pack of 4
Offer Price: $21.84

Seachem PhosGuard 250ml (Pack of 4)

Get Deal

Current Price in USA

Price $61.05

Recent Price Drops on PhosGuard, 4 L / 1 gal.

Price Drop 30th Oct 2025
$66.52 → $59.00
11.3% drop
Price Drop 17th Oct 2025
$66.52 → $59.00
11.3% drop
Price Drop 15th Oct 2025
$66.52 → $59.00
11.3% drop
Price Drop 11th Oct 2025
$66.52 → $59.00
11.3% drop
Price Drop 6th Oct 2025
$66.52 → $59.00
11.3% drop
Price Drop 28th Sep 2025
$66.52 → $59.00
11.3% drop
Price Drop 23rd Sep 2025
$66.46 → $59.00
11.22% drop
Price Drop 24th Jun 2025
$55.95 → $49.00
12.42% drop
Price Drop 20th Mar 2025
$60.99 → $55.95
8.26% drop
Price Drop 5th Mar 2025
$66.52 → $60.99
8.31% drop
Price Drop 26th Feb 2025
$66.52 → $57.99
12.82% drop
Price Drop 17th Oct 2024
$60.99 → $54.99
9.84% drop
Price Drop 16th Oct 2024
$66.52 → $60.99
8.31% drop
Price Drop 14th Oct 2024
$60.99 → $54.99
9.84% drop
Price Drop 13th Oct 2024
$65.99 → $60.99
7.58% drop
Price Drop 8th Oct 2024
$65.99 → $60.99
7.58% drop
Price Drop 2nd Oct 2024
$65.99 → $60.99
7.58% drop
Price Drop 7th Jul 2024
$65.99 → $60.99
7.58% drop
Price Drop 18th Feb 2024
$66.52 → $60.99
8.31% drop
Price Drop 17th Sep 2023
$66.52 → $60.99
8.31% drop
Price Drop 3rd Aug 2023
$73.12 → $60.99
16.59% drop
Price Drop 27th Apr 2023
$66.52 → $60.99
8.31% drop
Price Drop 7th Mar 2023
$71.04 → $66.52
6.36% drop
Price Drop 28th Feb 2023
$73.12 → $62.96
13.89% drop
Price Drop 15th Feb 2023
$84.38 → $73.12
13.34% drop
Price Drop 22nd Oct 2022
$64.30 → $60.99
5.15% drop
Price Drop 20th Jun 2022
$69.95 → $64.30
8.08% drop
Price Drop 20th Apr 2020
$55.52 → $52.54
5.37% drop
Price Drop 19th Apr 2020
$59.78 → $55.52
7.13% drop
Price Drop 9th Feb 2020
$48.72 → $46.00
5.58% drop
Price Drop 6th Jan 2020
$54.00 → $51.30
5% drop
Price Drop 20th Dec 2019
$59.71 → $55.03
7.84% drop
Price Drop 17th Dec 2019
$57.72 → $54.46
5.65% drop
Price Drop 5th Nov 2019
$45.29 → $43.00
5.06% drop
Price Drop 4th Nov 2019
$55.00 → $45.29
17.65% drop
Price Drop 16th Dec 2017
$55.80 → $39.19
29.77% drop
Price Drop 16th Nov 2017
$55.80 → $47.59
14.71% drop
Price Drop 5th Sep 2017
$55.62 → $46.88
15.71% drop
Price Drop 1st Sep 2017
$55.80 → $49.43
11.42% drop
Price Drop 25th Aug 2017
$54.54 → $48.48
11.11% drop
Price Drop 20th Aug 2017
$53.44 → $50.38
5.73% drop
Price Drop 17th Aug 2017
$55.80 → $50.38
9.71% drop
Price Drop 1st Aug 2017
$55.99 → $50.38
10.02% drop
Price Drop 21st Mar 2017
$55.80 → $52.80
5.38% drop
Price Drop 8th Jan 2017
$55.80 → $36.50
34.59% drop
Price Drop 16th Nov 2016
$55.80 → $47.59
14.71% drop
Price Drop 7th Jan 2016
$59.11 → $53.74
9.08% drop
Price Drop 30th Nov 2015
$53.74 → $48.59
9.58% drop
Price Drop 22nd May 2015
$52.17 → $41.99
19.51% drop
Price Drop 20th Dec 2014
$52.17 → $46.54
10.79% drop
Price Drop 11th Dec 2014
$52.17 → $46.67
10.54% drop
Price Drop 5th Dec 2014
$52.17 → $46.22
11.41% drop
Price Drop 26th Nov 2014
$52.17 → $45.92
11.98% drop
Price Drop 15th Nov 2014
$52.17 → $48.23
7.55% drop
Price Drop 29th Oct 2014
$52.17 → $48.33
7.36% drop
Price Drop 8th May 2014
$52.17 → $48.35
7.32% drop
Price Drop 14th Apr 2014
$52.17 → $48.35
7.32% drop
Price Drop 8th Jan 2014
$48.46 → $45.25
6.62% drop
Price Drop 20th Dec 2013
$48.46 → $45.93
5.22% drop
Price Drop 28th Jul 2013
$52.17 → $45.08
13.59% drop
Price Drop 5th Dec 2011
$50.40 → $44.06
12.58% drop
Price Drop 30th May 2011
$50.59 → $46.99
7.12% drop

Product Information

Details

Product Name PhosGuard, 4 L / 1 gal.
Store Product Code B000255PHQ
Store Name amazon.com
Rating 9.2 / 10
Category Aquarium Water Treatments
Product Manufacturer Seachem Laboratories, Inc.
Model Number 189
Model Name PhosGuard, 4 L / 1 gal.
Color white
Size 4 L/ 1 gallon

Images

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Image of PhosGuard, 4 L / 1 gal.
Image of PhosGuard, 4 L / 1 gal.
Image of PhosGuard, 4 L / 1 gal.

Rating and Reviews

9.2 Based on 1704 reviews

PhosGuard 4 L 1 gal. has 9.2 rating out of 10. This average rating is consist of 1704 individual ratings. You can rate this product at product review page.

* Predictions is created on based of past prices and trends, it does not guarantee that it will happen. These are just prediction for theoretical information only.
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