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Details
Sera kH Test is a drop-based kit that measures carbonate hardness (KH) in aquarium water, so you can track your tank's water chemistry.
- 15ml bottle
- Measurement range: approximately 390 dKH
- Suitable for freshwater and saltwater tanks
- Drop test with color chart reading
- Product code: 4210
Who it's for: Freshwater and saltwater aquarium owners who want a simple way to monitor carbonate hardness between water changes.
Key benefits
- Track carbonate hardness in your tank
- Simple drop-by-drop testing at home
- Readings for freshwater and saltwater setups
- Easy color-chart comparison
How to use
Ingredients
Our Policies
Unused items in their original packaging can be returned within 30 days of delivery.
US orders over $75 ship free; below that, shipping is $9.99. Other countries see the rate at checkout. If customs charges you on delivery, send us the receipt and we refund it.
You can return unused items in their original packaging within 30 days of delivery. Opened cosmetics can't come back for a change of mind, but we always replace or refund items that arrive damaged, defective or wrong.
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