Description
Seachem Acid Regulator 500g — Mid-Size pH Lowering & Water Softening Buffer
Seachem Acid Regulator 500g (SKU: 725038-73) is a dry buffer engineered to lower pH and soften water in larger freshwater aquariums. It adjusts pH into the 4.5 to 6.8 range while precipitating dissolved calcium and magnesium to lower overall water hardness.
Formulated to double as a complete tap water conditioner, Acid Regulator neutralises chlorine, chloramines, and ammonia during water changes. The 500g size provides sustained buffering capacity for aquarists managing medium-to-large setups.
Usage & Application
When to Use
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Medium-to-Large Setups: Suitable for freshwater aquariums requiring regular soft, acidic water adjustments.
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Conditioning Hard Tap Water: Applied during water changes to soften hard tap water and lower pH.
Dosage & Application Guide
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Add 5 g (1 level teaspoon) per 40–80 L (10–20 US gallons) daily until desired pH is attained.
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Dissolve completely in replacement water before adding to the display tank.
Product Specifications & Highlights
Key Features
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Broad Acidic Range: Adjusts and holds pH anywhere between 4.5 and 6.8.
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Hardness Precipitation: Binds calcium and magnesium to soften hard water.
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Integrated Water Safety: Neutralises chlorine, chloramine, and ammonia in incoming tap water.
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Extended Volume: 500g container covers extensive water volume needs over time.
Product Details
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Brand: Seachem
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SKU: 725038-73 (Internal ID: 130754)
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Barcode (GTIN/UPC): 000116007306
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Product Type: Aquarium Additives & Supplements / pH Lowering Buffer
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Package Dimensions: 85 mm (L) × 85 mm (W) × 160 mm (H)
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Gross Package Weight: 570 g
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Net Weight: 500 g
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Target Environment: Freshwater Acidic & Soft-Water Aquariums
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Treatment Capacity: 500 g treats up to 4,000 Liters (1,000 US gallons)


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