API Carbonate Hardness KH Test - Fresh/Salt

API Carbonate Hardness KH Test - Fresh/Salt
(CARBONATE HARDNESS) Tests tap water and fresh or saltwater aquariums for carbonate hardness(KH), the measure of dissolved carbonate and bicarbonate ion concentrations, also called alkalinity.

For fresh & salt water

Helps detect stress on fish caused by rapid pH shifts, the result of low levels of KH

Helps to maintain the correct buffering capacity in aquariums.

1 Bottle Kit.
Price:
NZ$ 23.99 including GST
 

or four payments of $6.00 with
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Christmas 2025/2026

This year we are closing at 2pm Wednesday the 24th of December and reopen Tuesday 6th January 2026 for both online orders and our shop. Last day for shipping live items is Wednesday the 17th of December and all other orders the morning of the 24th of December. Shipping will resume Tuesday 6th of January when we open again. Thank you for from the team at Maximum Pet Supplies.