When it comes to drinking water, most people assume “clear” means “clean.” But the minerals hiding in your water tell a different story. Calcium is one of the most common minerals, and while it’s essential for your health, too much of it in your water supply can do more harm than good. From kidney stones to weaker bones, high calcium levels can create problems you wouldn’t expect.
What is Calcium? Calcium is a mineral your body can’t live without. It plays a big role in muscle contraction, blood circulation, and nerve communication. Your teeth and bones store most of it, but small amounts are always moving through your bloodstream to keep your body functioning. Since it’s such an essential nutrient, it’s easy to think more calcium automatically means better health. But like most things, balance matters.
Why is it bad? For most adults, the recommended daily intake of calcium ranges from 1,000 to 1,200 mg. Most water centers treat your water with calcium, but the wrong amount can cause more harm than good.
- Hypercalcemia: In combination with calcium supplements and higher calcium levels in your water, you can risk developing hypercalcemia (bone pain, headaches, fatigue, and nausea).
- Kidney stones: Too much calcium forms crystals in your kidneys. Over time, the crystals can accumulate into kidney stones.
- Weakened bones: While calcium is known for strengthening bones, too much can actually make them weaker. Your bones are made of more than just calcium, so having too much can disrupt the balance of your bone composition.
- Heart effects: Too much calcium can increase your risk of a heart attack because it disrupts electrical signals and causes arrhythmias.
How do I know I have too much Calcium in my water? The easiest way is through a water test. Most of the time, excess calcium shows up as “hard water,” leaving behind spots on your dishes, buildup in your faucets, or a chalky film in your shower. While these signs are frustrating, the real concern is how much calcium you’re actually drinking. A professional water test gives you a clear picture of what’s in your water and whether it’s safe for your health.
How do I filter calcium from my water? One of the most effective ways to reduce calcium is with a reverse osmosis (RO) system. Unlike basic water filters, RO systems push water through a semipermeable membrane that removes calcium, magnesium, and other dissolved minerals. This gives you cleaner, safer water straight from the tap without the guesswork.
Popular Reverse Osmosis Systems There are several reverse osmosis water systems on the market, but the most common ones include:
- Under-sink RO systems: Compact and out of sight, they connect directly to your kitchen faucet for everyday use.
- Whole House Reverse Osmosis Systems: These are larger systems designed to treat all the water coming into your home, ideal for families with hard water issues throughout the house.
- Countertop RO systems: A portable option if you’re renting or want filtered water without installation.
Each system works differently depending on your water quality, budget, and household needs. Find the best reverse osmosis system for your needs with our expert solutions.
What’s really in your water? See what’s really in your water with RedBird Water. With expert water tests, we can identify up to 200+ potential contaminants in your water. Get the water solutions in Lubbock by booking your FREE water test with us.