Blue Horizons Small 20g Chlorine Tablets 5kg
- These Blue Horizons chlorine tablets are designed to slowly erode over a period of 3-5 days, depending on the water flowing over them.
- As they release chlorine relatively slowly it may be necessary to shock dose or oxidise prior to their first establish some chlorine more rapidly.
- Ideal chlorine levels are between 1-3 mg/l (ppm) as tested by a test kit.
- Prior to using this product, adjust the pH levels to the ideal range of 7.2-7.6.