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Price comparison

Price data powered by pricesAPI.io

Last updated at 26/05/2026 00:47:07

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
Amazon.com.au

$13.27

Seachem Flourish Phosphorus for Planted Aquarium (SC19507)

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

Amazon.com.au

$18.95

Flourish Phosphorus 100ml Seachem Fertiliser Phosphorus Aquarium Dolce Plants

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

Nature Aquariums

$12.95

Seachem Flourish Phosphorus 100ml

Coburg Aquarium

$12.95

1 100ml

Woolworths

$14.88

Seachem Flourish Phosphorus 100ml (SC19507)

Delivery $10

Matt Blatt

$14.88

Seachem Flourish Phosphorus 100ml (SC19507)

Delivery $9.99

Campbelltown Pet & Aquarium Centre

$15.95

Seachem Flourish Phosphorus 100ML

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

5 August 2024

originally posted on lazada.com.my

Provides essential nutrients, Improves plant vitality, Boosts plant development, Enhances plant coloration, Great for aquatic plants, Suitable for all types of plants, Promotes healthy plant growth,

10 September 2024dontelu

originally posted on shopee.sg

Appearance:as seen on shoppeeQuality:it worksSuitability:work on land plants as wellTested on some lamd plant seedlings, growth seen within 12 hours

ronseal product
3 July 2019shedbison

originally posted on ebay.com

adding to my reef due to zero phosphates causing nitrates to rise. Once I got the dosage figured out nitrates are dropping and I now get a phosphate reading on my hanna checker. Also corals all now have new growth tips so must be happy with some phosphate in the system.

Specification

Product dimensions4.11 x 4.11 x 12.4 cm; 140 Grams
Country of originUSA
Is Discontinued By ManufacturerNo
Liquid volume100 Millilitres
Target speciesShrimp

Price comparison

Updated 15 days ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
Amazon.com.au

$13.27

Seachem Flourish Phosphorus for Planted Aquarium (SC19507)

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

Amazon.com.au

$18.95

Flourish Phosphorus 100ml Seachem Fertiliser Phosphorus Aquarium Dolce Plants

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

Nature Aquariums

$12.95

Out of stock

Seachem Flourish Phosphorus 100ml

Coburg Aquarium

$12.95

1 100ml

Woolworths

$14.88

Seachem Flourish Phosphorus 100ml (SC19507)

Delivery $10

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

5 August 2024

Provides essential nutrients, Improves plant vitality, Boosts plant development, Enhances plant coloration, Great for aquatic plants, Suitable for all types of plants, Promotes healthy plant growth,

originally posted on lazada.com.my
10 September 2024

Appearance:as seen on shoppeeQuality:it worksSuitability:work on land plants as wellTested on some lamd plant seedlings, growth seen within 12 hours

dontelu originally posted on shopee.sg
ronseal product
3 July 2019

adding to my reef due to zero phosphates causing nitrates to rise. Once I got the dosage figured out nitrates are dropping and I now get a phosphate reading on my hanna checker. Also corals all now have new growth tips so must be happy with some phosphate in the system.

shedbison originally posted on ebay.com

Specification

Product dimensions4.11 x 4.11 x 12.4 cm; 140 Grams
Country of originUSA
Is Discontinued By ManufacturerNo
Liquid volume100 Millilitres
Target speciesShrimp

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Seachem Flourish Phosphorus 100ml
Seachem Flourish Phosphorus 100ml
Seachem Flourish Phosphorus 100ml
Seachem Flourish Phosphorus 100ml
Seachem Flourish Phosphorus 100ml
Seachem Flourish Phosphorus 100ml

Seachem Flourish Phosphorus 100ml

Seachem Flourish Phosphorus 100ml

$12.95

(134 reviews)

Flourish is a comprehensive plant supplement for the natural freshwater aquarium. It contains a rich assortment of important micro elements, trace elements and other nutrients. These include calcium, magnesium, iron and other important elements that have been shown to be beneficial to aquatic plants. View a chart of Flourish constituents and signs of their deficiency. For macro element (NPK) fertilization, use Flourish Nitrogen, Flourish Phosphorus or Flourish Potassium as needed. Why It's Different Unlike competing products, Flourish is designed to be used in conjunction with other macro and micro-nutrient supplements. Other manufacturers try to include ALL necessary nutrients, leading to overdoses of micro-nutrients in an attempt to raise macro-nutrient levels. Directions Use 1 capful (5 mL) for each 250 L (60 gallons) once or twice a week. For smaller doses, please note that each cap thread is approximately 1 mL. Refrigeration after opening is recommended but not required.

Flourish is a comprehensive plant supplement for the natural freshwater aquarium. It contains a rich assortment of important micro elements, trace elements and other nutrients. These include calcium, magnesium, iron and other important elements that have been shown to be beneficial to aquatic plants. View a chart of Flourish constituents and signs of their deficiency. For macro element (NPK) fertilization, use Flourish Nitrogen, Flourish Phosphorus or Flourish Potassium as needed. Why It's Different Unlike competing products, Flourish is designed to be used in conjunction with other macro and micro-nutrient supplements. Other manufacturers try to include ALL necessary nutrients, leading to overdoses of micro-nutrients in an attempt to raise macro-nutrient levels. Directions Use 1 capful (5 mL) for each 250 L (60 gallons) once or twice a week. For smaller doses, please note that each cap thread is approximately 1 mL. Refrigeration after opening is recommended but not required.

(134 reviews)

Flourish is a comprehensive plant supplement for the natural freshwater aquarium. It contains a rich assortment of important micro elements, trace elements and other nutrients. These include calcium, magnesium, iron and other important elements that have been shown to be beneficial to aquatic plants. View a chart of Flourish constituents and signs of their deficiency. For macro element (NPK) fertilization, use Flourish Nitrogen, Flourish Phosphorus or Flourish Potassium as needed. Why It's Different Unlike competing products, Flourish is designed to be used in conjunction with other macro and micro-nutrient supplements. Other manufacturers try to include ALL necessary nutrients, leading to overdoses of micro-nutrients in an attempt to raise macro-nutrient levels. Directions Use 1 capful (5 mL) for each 250 L (60 gallons) once or twice a week. For smaller doses, please note that each cap thread is approximately 1 mL. Refrigeration after opening is recommended but not required.

Flourish is a comprehensive plant supplement for the natural freshwater aquarium. It contains a rich assortment of important micro elements, trace elements and other nutrients. These include calcium, magnesium, iron and other important elements that have been shown to be beneficial to aquatic plants. View a chart of Flourish constituents and signs of their deficiency. For macro element (NPK) fertilization, use Flourish Nitrogen, Flourish Phosphorus or Flourish Potassium as needed. Why It's Different Unlike competing products, Flourish is designed to be used in conjunction with other macro and micro-nutrient supplements. Other manufacturers try to include ALL necessary nutrients, leading to overdoses of micro-nutrients in an attempt to raise macro-nutrient levels. Directions Use 1 capful (5 mL) for each 250 L (60 gallons) once or twice a week. For smaller doses, please note that each cap thread is approximately 1 mL. Refrigeration after opening is recommended but not required.

$12.95 - $18.95

in 7 offers

The lowest price for Seachem Flourish Phosphorus 100ml right now is $12.95 at Nature Aquariums, compared across 6 retailers.

The all-time low was $8.10 on 4 Dec 2025 — today's price is 60% above the lowest ever. It has been notably cheaper before — worth setting a price alert.

Prices last updated 26 May 2026.

Size:

250 ml
500 ml