Question 1

Why does pH keep climbing in my Cross Roads pool?

Accepted Answer

Cross Roads is mostly well-water properties — groundwater with elevated calcium (often 600-900 ppm) and iron, which behaves very differently from municipal water. Combined with Texas heat and any waterfall, spa spillover, or fountain, that fill water drives pH steadily upward all summer. Argyle-style well water often has even higher starting alkalinity than municipal water, which amplifies the pH-climb problem — muriatic dosing weekly (not monthly) is usually required. The fix is to drop total alkalinity first (target 80-100 ppm); once TA is in range, pH stops climbing as fast.

Question 2

Can you deliver muriatic acid to Cross Roads?

Accepted Answer

Yes — UPS, FedEx, and USPS all refuse to ship muriatic acid (it's a DOT hazmat), but we run our own trucks through Cross Roads (76227) and the rest of Denton County every weekday. Cutoff is 2 PM for same-day. Arrives in heat-protected packaging with a one-page dosing guide specific to your pool size.

Question 3

How much muriatic acid does a typical Cross Roads pool need weekly?

Accepted Answer

Varies by pool size and how aggressive your alkalinity is. Most Cross Roads pools are plaster or pebble — finishes that show staining fast if chemistry slips. For a ~20,000 gallon pool in Cross Roads, most owners use 16-24 oz per week during summer — a 1-gallon jug lasts about a month. Well-water pools on average use 25-30% more acid than comparable municipal-water pools due to the starting alkalinity. Bring us a water test and we'll print an exact weekly schedule.

Question 4

Is dry acid safer to use than muriatic in Cross Roads?

Accepted Answer

Safer to handle, yes — sodium bisulfate is a granular powder, not a liquid, so no splash risk. But it's 2-3× more expensive per dose and it raises total dissolved solids over time. For a Cross Roads homeowner who dislikes handling liquid muriatic, dry acid is a fair tradeoff. For weekly maintenance on a larger pool, muriatic pencils out better — we deliver it to you in a closed container so there's no trip to the pool store.

Question 5

How do I add muriatic acid safely?

Accepted Answer

Always add slowly in the deep end with the pump running; never mix with chlorine; dilute large doses (over 1 pint) in a bucket of pool water before adding; wear gloves and eye protection. Wait 4+ hours before re-testing pH.

Question 6

Why can't UPS ship muriatic acid?

Accepted Answer

All common carriers classify muriatic acid as DOT Class 8 corrosive hazmat — prohibited on normal ground or air. Only pool-supply delivery services licensed for hazmat transport can carry it, which is why our local delivery is often the only practical option for DFW pool owners.

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