API Freshwater Master Test Kit substrate upright packaging in a cool

upright packaging in a cool

but can be used for particularly long-lasting effect

Usage: As a supplemental fertilizer or as a first aid for nutrition deficiency symptoms

Packed in 'Liquid Amazon' buffered 'black water' solution

The elegant and low profile design of the slanted diffuser makes it ideal to minimize the visibility and intrusiveness of the CO2 injection system on planted tanks

API Freshwater Master Test Kit substrate upright packaging in a coolThe API FRESHWATER MASTER TEST KIT measures the 4 most important levels in freshwater aquariums quickly and accurately, including pH, high range pH, ammonia, nitrite, and nitrate. With scientific accuracy for professional results, the FRESHWATER MASTER TEST KIT comes with 4 test tubes and a convenient holding tub for easy storage. The kit also includes a step by step instruction booklet with a colour chart that provides information on how to correct