Description
Quantum Aqua Pro KH 2.2kg — Bulk Carbonate Hardness Powder for Ponds and Fish Rooms
A pond loses carbonate hardness to every rainstorm, and a fish room loses it to every water change; both are buying KH by the kilogram. Quantum Aqua Pro KH 2.2kg (SKU: QA432200) is the 2.2 kg pack of Quantum’s Freshwater Essential Plant Essential Aqua Pro KH, a blend of KH buffer salts formulated to raise carbonate hardness gently and improve pH stability in any freshwater system. With KH regulated the pH holds, and the biochemical processes of fish, shrimp and plants run at full efficiency. A level scoop is included and Quantum publishes a KH target for every tank and pond type.
The dose is 5 g, one level scoop, per 100 L for a rise of about 1.4 dKH, dissolved in a separate vessel of aquarium or pond water and then added where the flow is strongest; powder is never added directly. Only the replacement water is dosed at a change, not evaporation. The published ranges include 2 to 4 dKH for goldfish and koi, 1 to 3 for community tanks and 4 to 8 for Malawi. The 2.2 kg pack holds about 440 scoops; raising a 5,000 L pond by 1.4 dKH takes 50 scoops, so the pack covers the fill and many months of top-ups after rain.
Usage & Application
When to Use
- Goldfish and koi ponds: Buffered to 2 to 4 dKH and topped up after heavy rain.
- Fish rooms: Breeders conditioning a barrel of change water each week.
- Retail freshwater systems: Shops holding mixed stock on a central reservoir.
- Very large displays: Freshwater tanks past 1,000 L that buffer big weekly changes.
Dosing & Administration Guide
- Target by system: Ponds at 2 to 4 dKH, tanks to their published range, tested first.
- Scoops to volume: One 5 g scoop per 100 L per 1.4 dKH, on the water being treated.
- Dissolve in a bucket: Use pond or tank water, then pour into the strongest flow.
- Change water, not evaporation: Dose what is replaced; Aqua Pro GH handles general hardness.
Product Specifications & Highlights
Key Features
- 2.2 kg of buffer salts: About 440 scoops with the measuring scoop included.
- Pond-scale dosing: 50 scoops raise 5,000 L by 1.4 dKH.
- Same rate as small packs: 5 g per 100 L for 1.4 dKH.
- Targets for tanks and ponds: Ten freshwater categories published.
- Aqua Pro companion: Runs alongside Aqua Pro GH, pH Up and pH Down in ponds and tanks alike.
Product Details
- Brand: Quantum (Freshwater Essential Plant Essential range)
- SKU: QA432200
- Barcode (GTIN/UPC): 0769807350557
- Product Type: Additives & Supplements > Freshwater KH Buffer (Powder)
- Net Weight: 2.2 kg (about 440 level scoops)
- Contents: KH buffer salts
- Dose Rate: 5 g (1 level scoop) per 100 L raises KH by about 1.4 dKH; dissolve in aquarium water first; dose change water only
- Target Ranges: South American 0.5–2; community and high-tech planted 1–3; goldfish 2–4; shrimp 2–6; American/Australian and low-tech planted 3–6; Malawi and Victoria 4–8; Tanganyika 7–12 dKH
- Included: Measuring scoop
- Target Environment: Planted, fish-only, shrimp and pond freshwater aquariums


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