Seachem Glass Bubble Counter Diffuser Disc 17 mm silent air x4 Some Coloring

Some Coloring

05 mg/L (ppm) free ammonia and alerts you to the #1 killer before any sign of stress

This kit combines the Marine pH & Alkalinity

Flourish Phosphorus (being nitrate free) allows you to dose phosphorus according to the needs of your plants without the risk of overdosing nitrates

Seachem Glass Bubble Counter Diffuser Disc 17 mm silent air x4 Some ColoringThe Bubble Counting Diffuser is a pollen style CO2 diffuser that connects to CO2 injection systems to easily disperse CO2 gas into the planted aquarium. The built in bubble counter allows for easy monitoring of the rate of CO2 injection. The inclusion of a bubble counter in the diffuser makes the use of a bubble counter on the CO2 tank or in line unnecessary. The Bubble Counting Diffuser has a 17 mm disc. Compatible with 6 mm (1 4") Standard Airline