Pay in 4 interest-free payments of $1374.88 Learn more
Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
To seed biological filter media - add one capful per 20 gallons for 10 days
Simple two-point calibration for increased accuracy with manual trimmers for easy adjustment
Classica Super Grade Zeolite - 500g
POWER： 22W
Neptune Systems Lab Grade Double Junction pH Probe AI To seed biological filter mediaNeptune Double Junction probes will out last most other traditional lab grade probes letting you go longer between calibrations, and having to purchase and replace probes less frequently. The Double Junction isolates the reference gel and probe from proteins and other organics that may otherwise precipitate and clog, shortening the lifespan of the probe. Longer lasting Reliable readings Quality connections BNC style connector Neptune's Double Junction
US$ 143.96
US$ 43.96
US$ 25.56
