Seachem Aquarium Accessory Reef Kalkwasser – Pure Calcium Hydroxide Increases pH – 250 g
SEACHEM REEF KALKWASSER PURE CALCIUM HYDROXIDE INCREASE pH AQUARIUM FISH TANK
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Oct 2026)
Based on a total of 24,155 customer reviews from independent review platforms.
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£16.45
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Seachem Reef Kalkwasser Pure Calcium Hydroxide Increase Ph Aquarium Fish Tank 250G
Overall Rating: 3.0 / 5 (average from multiple review sources, as of 4 Oct 2026)
Based on a total of 39,542 customer reviews from independent review platforms.
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Based on a total of 39,542 customer reviews from independent review platforms.
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£16.45
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Seachem Reef Kalkwasser Marine Aquarium Additive Calcium Supplement Coral Growth
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Oct 2026)
Based on a total of 24,155 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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Based on a total of 24,155 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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Will usually delivered within 3 - 5 working days of receiving cleared payment.
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£16.49
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Seachem REEF KALKWASSER 250g 500g 1kg Calcium Hydroxide Marine Fish Tank pH
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Oct 2026)
Based on a total of 24,155 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 24,155 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
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Will usually delivered within 2 - 3 working days of receiving cleared payment.
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£17.00
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Seachem Reef Kalkwasser, 250 g
Overall Rating: 4.2 / 5 (average from multiple review sources, as of 18 Oct 2026)
Based on a total of 26,737 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
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pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 26,737 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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£17.17
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SEACHEM REEF KALKWASSER PURE CALCIUM HYDROXIDE INCREASE pH AQUARIUM FISH TANK
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Oct 2026)
Based on a total of 24,155 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 24,155 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 3 - 5 working days of receiving cleared payment.
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£21.45
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SEACHEM REEF KALKWASSER PURE CALCIUM HYDROXIDE INCREASE pH AQUARIUM FISH TANK
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Oct 2026)
Based on a total of 24,155 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 24,155 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 3 - 5 working days of receiving cleared payment.
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£86.99
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Cheapest offer
Seachem Reef Kalkwasser is a high-purity calcium hydroxide powder formulated for preparing limewater (kalkwasser) solutions to help maintain calcium at natural seawater levels in reef aquariums. It supports coral growth by directly increasing calcium and indirectly boosting carbonate alkalinity, making it a trusted choice for experienced reef keepers. The product dissolves quickly, offering excellent solubility and consistent performance when used in top-off water.
£16.45
1-3 working days
Diy.com (B&Q)
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Seachem Reef Kalkwasser Pure Calcium Hydroxide Increase Ph Aquarium Fish Tank 250G - Details
▶ Finding you the best price!
We have found 7 prices for Seachem Reef Kalkwasser Pure Calcium Hydroxide Increase Ph Aquarium Fish Tank 250G. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
Seachem Reef Kalkwasser Pure Calcium Hydroxide Increase Ph Aquarium Fish Tank 250G - Price Information
- Cheapest price: £16.45
- The cheapest price is offered by Diy.com (B&Q). You can order the product there.
- The price range for the product Seachem Reef Kalkwasser Pure Calcium Hydroxide Increase Ph Aquarium Fish Tank 250G is €£16.45to €£86.99 with a total of 7 offers.
- Payment methods: The online shop Diy.com (B&Q) supports: PayPal, Mastercard, Visa
- Delivery: The shortest delivery time is 1-3 working days working days offered by Diy.com (B&Q).
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