About BOROUX

How-To Prime the Proactive™ Fluoride Filters

Simple and straightforward instructions for priming the BOROUX Proactive™ Fluoride Filters.

What's in the box

Proactive™ Fluoride Filter

Sealing washers (2)
Threaded priming adapter (blue)
Priming washer (blue)
Blue priming tool
Proactive™ Fluoride Filters (2)
Quick Start Guide instructions

Priming the fluoride filters

Priming means to fully saturate the interior and exterior of the filters with water. The filters must be primed before use, and after cleaning.

Follow the instructions below to prime the BOROUX Proactive™ Fluoride Filters using the blue threaded priming adapter.

Step 1

Remove the paper wrapping from the filter, then remove the plug from the filter’s cap. Screw the threaded priming adapter into the filter.

Step 2

Attach the blue silicone priming tool to the faucet, making sure you pull the primer up as far as possible to create a good seal with the water spout.

Step 3

Adjust the water flow so that a 12 oz cup fills within 45 to 60 seconds.
Important: Use only cold water.

Step 4

While the water is flowing, gently push the filter with threaded priming adapter into the primer.

Step 5

If the blue primer inflates as shown in the illustration, or if there is excessive water leakage around the primer, re-adjust the water flow so that a 12 oz. cup fills within 45 to 60 seconds.

Step 6

After 1 to 2 minutes, water will be visible on the filter surface. Continue to prime for 1 to 2 more minutes, until water beads on the entire filter surface.

Step 7

Keep water flow running. Remove the filter from the primer. Set the filter aside on a clean surface.

Step 8

Repeat steps 1 through 7 for each filter.

Note: You should not discard any blue priming parts. Save them for future use.

How-To Setup the Fluoride Filters in the BOROUX System

We'll lead you through the process of setting up your Proactive™ Fluoride Filters in the BOROUX System one step at a time. Set up and start enjoying your fluoride-free water!

Set up Fluoride Filters

Frequently Asked Questions

Why do the filters have to be primed?

Priming the BOROUX filters is necessary for proper function. This procedure is what activates the carbon and breaks the surface tension, so that the contaminants get trapped, and the water gets through. The filter is made of very dense material and priming forces water through the material so that it’s entirely saturated. This is a crucial initial step for using the filters.

The media that the BOROUX filter is made of has a micropore structure. These micropores are miniscule which can create tiny pockets of air. Along with the high surface tension of the filter material, without being primed first, water cannot pass through those air bubbles. Priming uses water pressure to force water through those micropores so that when water is passing through only using gravity, it can. If the filters are not primed, the flow can be extremely slow, if not completely nonexistent.

What if I don’t see beads of water on my filter when priming?

Each filter is unique, some filters shows lots of water beads, others do not. As long as the filter is fully saturated, they are primed. Running water through the filter for 1-2 minutes fully saturates the filter.

How do I know if the filters are primed?

The buoyancy test can determine if the filters are fully primed.

Fill the lower chamber or another large container with water
Place the filters in this container with the stems up.
If it sinks (or slightly floats), the filter is primed and ready to install in your system!
If the filter bobs back up quickly, prime again.