Tag trichlor shock

Water Chemistry & Balancing

Trichlor Shock Dose for a 10,000-Gallon Indoor Pool With No Sun Exposure

Indoor pools skip the sun, but that changes your trichlor shock math in ways most owners don't expect. CYA accumulates faster with no UV burn-off, and your target dose shifts accordingly. This post walks through the exact numbers for a 10,000-gallon indoor pool.

BPS
October 8, 2026

Water Chemistry & Balancing

Trichlor Shock in a 15,000-Gallon Pool When CYA Is Already at 70 ppm

When your CYA is already at 70 ppm, using trichlor shock can push stabilizer into a range where chlorine barely works. This post walks through the exact dose for a 15,000-gallon above-ground pool, why CYA level changes the math, and what product to reach for instead.

BPS
October 4, 2026