APR Freshwater KH & GH Test Kit
• A must for proper ph buffering.
• Great for proper calcium (KH) and magnesium (KH) maintenance (two important elements for fish health).
• Fast, Easy and accurate. Over 250 tests each.
All the test kits we sell are simply based on our Mission Statement which follows what our founder found to work most simply and with the accuracy needed to get the job done for good aquarium husbandry.