Description
Seachem Alkaline Regulator 500g — Mid-Size Alkaline pH Buffer & Water Conditioner For Tap Water In Larger Freshwater Aquariums
Seachem Alkaline Regulator 500g (SKU: 725042-93) is designed to raise pH, build alkalinity, and condition tap water in larger freshwater aquariums. It adjusts pH into the 7.1 to 8.5 range, establishing a carbonate buffer that protects livestock from acidic drops.
Formulated to act as a complete tap water conditioner, Alkaline Regulator neutralises chlorine, chloramines, and ammonia upon contact. The 500g size provides sustained buffering capacity for active community tanks.
Usage & Application
When to Use
- Medium-to-Large Systems: Suitable for aquariums requiring ongoing alkaline pH adjustments.
- Tap Water Conditioning: Applied during routine water changes to buffer low-pH tap water.
Dosage & Application Guide
- Add 5 g (1 level teaspoon) per 40–80 L (10–20 US gallons) daily until reaching target pH.
- Dissolve in fresh change water before introducing it to the display system.
Product Specifications & Highlights
Key Features
- Locks Alkaline pH: Holds pH steadily in the 7.1 to 8.5 range.
- Builds Carbonate Reserve: Increases KH to maintain water parameter stability.
- Triple Action Detoxification: Eliminates chlorine, breaks chloramines, and detoxifies ammonia.
- Cost-Effective Packaging: 500g container covers extensive water volume needs.
Product Details
- Brand: Seachem
- SKU: 725042-93 (Internal ID: 130759)
- Barcode (GTIN/UPC): 000116009300
- Product Type: Aquarium Additives & Supplements / pH Elevating Buffer
- Package Dimensions: 85 mm (L) × 85 mm (W) × 160 mm (H)
- Gross Package Weight: 570 g
- Net Weight: 500 g
- Target Environment: Freshwater Hard-Water Aquariums
- Treatment Capacity: 500 g treats up to 4,000 litres (1,000 US gallons)


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