Water conditioner · dechlorinator

Seachem Prime 100 mL

Maker dose is 5 mL per 50 US gal of new water; dose the measured new-water volume unless adding directly as instructed.

Concentrated fresh- and saltwater conditioner for chlorine and chloramine treatment.

Specifications checked with the manufacturer on 2026-09-07.

Consider: Small water changes need small measured amounts. Use a graduated measuring tool and the exact bottle instructions; do not estimate tiny doses by eye.

US product record · Model / item 0435. Confirm the model and package contents before purchase.

Specifications that affect fit

Before choosing this model

  • Calculate dose from actual water volume being treated.
  • Check local tap-water disinfectant and follow the current label.

Read the equipment selection guide alongside these model details. A rated capacity does not settle livestock needs, room conditions or physical clearance.

Included items & upkeep

  • 100 mL bottle

Plan for the routine work

  • Close and store the bottle as directed.
  • Record dose and water-change volume to avoid memory-based redosing.

Enter your own supply prices and replacement schedule in the first-year cost planner. Use the exact manual for maintenance intervals and service steps.

Sources & manuals