Berkey - What should I do if my system throughput is very slow?
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If you have just purchased your Berkey system ® and the filters barely filter the water, the problem is usually due to high water tension. This high water tension prevents air from being purged from the micropores of the new purification elements. Your Black Berkey elements ™ must be primed to purge this air and allow water to pass through them. Included with your Black Berkey ™elements is a beige boot button and instructions for priming. Please remove your items from the unit, prime your items, then reinstall them into your unit. This should resolve the slow flow issue. If the flow rate slows significantly at any time during the life of the elements, the problem can be easily resolved by re-cleaning the elements. What usually causes the elements to drip slowly is turbidity and sediment that clogs the micropores of the purification elements. Simply remove the items from your system and scrub the exterior of each item with a ScotchBrite®Buffer or hard toothbrush. Rub a section of the element until you see a little black on the pads, then move on to the next section. This simple process should only take a few minutes. Reboot each item and then reinstall it in your device. Your flow should be restored. (Never use soap or detergents)