Including filter system and high-performance Magnesium Carbonate filter.
Magnesium carbonate in tap water often shows up as hardness — minerals that leave scale when water is heated or evaporates. In Garnier homes you might spot chalky buildup on faucets, cloudy spotting on glassware, or a filmy feel that keeps soap and shampoo from lathering well. Though magnesium itself is a normal mineral, higher mineral content can create everyday annoyances around the house, making water harder to manage even when it looks clear from the tap.
You may also see this referred to as magnesium bicarbonate, since bicarbonate forms of magnesium can be present and later contribute to scale as water conditions change. These minerals commonly accumulate inside water heaters, showerheads, and appliance valves, restricting flow and lowering efficiency over time. They can also shift the taste of beverages, sometimes adding a mineral note to hot drinks. If you're repeatedly finding scale or mineral residue in your Garnier home, that's a strong indication a whole-house approach is needed rather than a single faucet fix.
The most effective single-filter solution for magnesium carbonate and magnesium bicarbonate in a whole house is a salt-free scale inhibition system, typically called a template-assisted crystallization (TAC) filter. Instead of filtering dissolved minerals out, TAC media alters their behavior so they form tiny, stable crystals that are far less likely to adhere to pipes and heating elements. That reduces the buildup where scale normally appears while preserving strong water flow throughout your Garnier home.
A whole-house TAC filter sits where water enters the home, treating every faucet, shower, and appliance fed by that line. It's ideal when your primary concern is controlling scale from hardness minerals like magnesium-based carbonates, rather than removing disinfectants or organic contaminants. When sized for your household flow, it cuts down on crusty fixtures and frequent descaling; Mr. Pure Water in Garnier can help determine if a TAC system alone is right or if pairing it with other treatments better meets your needs.