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First Need XLE Backwash Instructions First Need XLE Backwash Instructions

Backwash Instructions

During a trip the First Need XLE can be backwashed to clean or unclog the cartridge. This can help extend the life of the cartridge when used with dirty or turbid water sources

FIrst Need XL Water Purifier Backwash Procedure

To Backwash During a Trip to Clean or Unclog the Cartridge

  • Pump purified water slowly backward through the canister as shown.
    Excessive force may break the canister internally.

To Backwash for Pre-Storage Clean

  1. Add 5 drops of household bleach to 1 litre of purified water.
  2. Pump this water slowly backward through the canister as shown.
  3. Air dry - store in a clean dry area away from fumes.

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