Blog - Coldstream filtration

Why can the ceramic of Coldstream FTO+ filters come loose?
Why can the ceramic of Coldstream FTO+ filters come loose? The ceramic of Coldstream FTO+ filters can sometimes separate from its base. Several factors can explain this problem: insufficient bonding during manufacturing, the fineness of the ceramic, the weight of the filter when filled with water and the shocks caused during handling of the upper tank. Sometimes insufficient gluing on the base The ceramic is fixed to its base using a bonding and sealing material. During manufacturing, if the operator does not apply enough glue, if it is poorly distributed... Read more...
Why can water filtered with a Coldstream FTO+ filter sometimes taste like dust?
It may happen, although rarely, that some users notice a slight taste of dust in the water filtered with Coldstream FTO+ filters, especially during the very first uses. What causes this unusual taste? According to Coldstream, this isolated phenomenon is linked to a specific stage of the manufacturing process: the passage through a sieve and the compaction of the activated carbon. If this phase is not perfectly homogeneous, it can result in the release of fine particles perceptible to the taste, such as a slight earthy or mineral flavor. A... Read more...
Why can filtered water sometimes taste like dirt with FTO+ filters?
In rare cases, water filtered with an FTO+ filter may present a taste of earth. This phenomenon is linked to a residual presence of activated carbon dust. According to the manufacturer Coldstream: “It sometimes happens with the carbon if the sieve fails to do a good job by not separating the carbon dust fully. Not dangerous but annoying for all involved.” 👉 This is not a health hazard, but it is still unpleasant. Since May 2025, Coldstream has improved its manufacturing process so that this type of incident does not... Read more...
Filtration sur comptoir Coldstream CTO plus vraiment pratique!
Coldstream CTO countertop filtration no longer really practical!
The Coldstream CTO+ system is an advanced solution for water filtration and purification straight from your tap. Read more...
Effectiveness of the Coldstream FTO+ Filter
Coldstream FTO+ filters provide exceptional filtration performance for all gravity filtration systems. Compatible with British Berkeyfeld, ProOne, Berkey, Monderma, Weeplow, Phoenix, Pure Filters. Read more...