We Leave Our Competitors in Their Dust
Where the problem starts! -
Tucson Water's Mineral Profile
Tucson's tap water is among the hardest in the United States, averaging ~211 mg/L of dissolved minerals — primarily calcium carbonate and magnesium. This water comes from two sources: deep desert aquifers beneath the Sonoran Desert, which have been dissolving calcium-rich limestone and caliche formations for thousands of years, and the Colorado River Aqueduct (CAP water), which carries additional mineral load across the desert.
For your pool, this creates a relentless cycle: water evaporates in Tucson's intense sun and heat, but the minerals stay behind — concentrating at the waterline and crystallizing into the hard white scale you see on your tile. The hotter and sunnier the season, the faster it builds.
True Grit Blasting Co.'s Pool Tile Cleaning FAQs
Tucson pool tile cleaned by True Grit Blasting Co. using kieserite blasting. The heavy calcium scale is removed without draining the pool —These heavy chalky deposits at the waterline are a common result of Tucson's hard water after 12–18 months, or longer, without cleaning. These pools were restored to like-new condition with same-day results using kieserite blasting — no drain required.
Clean grout lines, bright tile, and pools that look brand new.
01
What is Kieserite Blasting?
Kieserite (magnesium sulfate) is a naturally occurring mineral we use as a blasting media. It's water-soluble, eco-friendly, and exceptionally gentle on pool tile surfaces. Unlike sand or glass bead blasting, kieserite dissolves harmlessly in your pool water — so there's no need to drain your pool during the cleaning process.
03
What does the process look like?
Tim, Co-owner of True Grit Blasting Co., does all of our blasting. He arrives, assesses the calcium and scale buildup on your tile, then uses pressurized kieserite media to blast away deposits at the waterline. The process typically takes 2–4 hours for a standard residential pool. We handle cleanup and leave your deck clean before we go.
02
Do I need to drain my pool before service?
No — and that's one of the biggest advantages of kieserite blasting. Because kieserite is water-soluble, we blast right at the waterline without draining. This saves water (critical in Tucson's desert climate), saves you time, and gets your pool back in use the same day.
04
Will Kieserite blasting damage my Tile or Grout?
Kieserite is one of the safest blasting media available for pool tile. Its softness (3 on the Mohs scale) means it removes calcium deposits and hard water stains without scratching glass, ceramic, or stone tile — or eroding grout. It's safe for all common pool tile types found in Tucson homes.
Our Process
01
How does the Annual Pool Tile Cleaning Program Work?
After your initial cleaning, rebook within 12 months and you'll receive 40% off every subsequent cleaning for as long as you stay on the annual schedule. It's that simple — no contracts, no enrollment fees. We even reach out to remind you to book before your 12-month window closes to keep your discount active.
03
What if I miss my 12-month window?
If you rebook after 12 months, the cleaning is priced at our standard rate — but your 12-month window resets from that new appointment date, giving you a fresh opportunity to lock in the 40% discount going forward. We recommend setting a reminder around the 10-month mark so you don't miss it.
02
Why should I clean my tile every year?
Tucson's water is extremely high in calcium and mineral content. With intense sun accelerating evaporation, scale rebuilds quickly — often visibly within 12–18 months. Annual cleaning prevents that buildup from hardening into thick deposits that are harder to remove, protecting your tile and grout from long-term damage. Clients on our annual program enjoy a consistently great-looking pool year-round.
04
Does regular cleaning save me money long term?
Yes — in two ways. First, the 40% annual discount directly reduces your cleaning cost. Second, heavy calcium scale that's left too long can permanently etch and damage tile, leading to expensive tile replacement. Consistent annual maintenance is the most cost-effective way to protect your pool investment in the Tucson's climate.
Annual Service Program
01
Why is Pool Tile scaling such a problem in Tucson?
Tucson tap water has some of the highest calcium hardness levels in the country. Combined with intense sun and heat that accelerates evaporation, calcium carbonate scale builds up rapidly at the waterline. Most Tucson, Oro Valley, and Marana homeowners see noticeable scaling within 1–2 years without regular cleaning.
02
What areas of Tucson do you serve?
We serve the entire greater Tucson metro area, including Oro Valley, Marana, Catalina Foothills, Sabino Canyon, Picture Rocks, Vail, and Saddlebrooke. If you're unsure whether you're in our service area, give us a call — we're happy to confirm.
Why is this Such a Problem in Tucson?
01
How much does Pool Tile Cleaning cost?
Pricing depends on pool size, tile type, and occasionally the severity of buildup. We offer free over the phone and on-site estimates with no obligation. Annual program clients receive 40% off every cleaning when rebooked within 12 months. Contact us for a fast quote.
03
Is Kieserite safe for my Pool chemistry?
Yes. Kieserite (magnesium sulfate) has a neutral to mildly beneficial effect on pool water. It can slightly raise magnesium levels, which some pool professionals consider an advantage. We recommend having your regular pool service test and adjust water chemistry after your cleaning as a standard best practice.
02
When can I swim following service?
In most cases, yes — the same day. Because kieserite is water-soluble and no harsh chemicals are used, your water remains safe. We suggest waiting 48-72 hours for the water to clear before swimming. No need to drain, refill, or rebalance chemicals after service.
04
Does Pool water chemistry affect how fast scale builds?
Yes. High pH and high alkalinity make calcium carbonate more likely to precipitate out and stick to surfaces. Tucson tap water already has naturally high bicarbonate alkalinity (~191 ppm), which pushes chemistry in a scaling direction. Poor water balance — especially high pH — significantly speeds up tile scale buildup. Keeping your pool chemistry in balance slows the process, but given Tucson's source water, scaling is a matter of when, not if.