Hikari® Aquarium Solutions® AccuProbe™ Hydrometer Bulk That would translate to 13

That would translate to 13 to 32 liters of air per minute per foot of tubing

5" MPT to 2" SLIP

36" Bowl is designed for 360° overflow into FB4600 or Eco-Rise basin

docks and marinas while adding charm to the scenery

Hikari® Aquarium Solutions® AccuProbe™ Hydrometer Bulk That would translate to 13The Hikari Aquarium Solutions AccuProbe Hydrometer measures a wide range of specific gravity and is intended for marine aquarium use. "Dry hands" design avoids contamination of aquarium Measures a water sample at 6" depth to avoid inaccurate surface sampling Accurate to 0. 001 specific gravity and salinity Designed to give a temperature corrected reading in warm water aquariums Durable construction for extended life Includes self leveling hanging