|
Accu-Tab System |
Bleach |
Gas |
| Safety |
Easy to handle; no spills |
Spill and leak concerns |
Major gas leak concerns |
| Charging chemical |
Easy to add tablets; only one person needed |
Hard to maneuver; heavy drums or lots of small carboys |
Two trained persons needed; breathing protection required |
| Chemical balance |
No bicarbonate use and less acid use |
High TDS levels; high acid use for pH control |
High bicarbonate use to balance pH |
| Material compatibility |
More neutral pH; less corrosive |
High pH; corrosive |
Low pH; very corrosive |
| Convenience |
55-lb. pail of tablets easy to handle |
Bleach drums awkward to handle |
Hard to maneuver cylinders; special handling training needed |
| Chlorine strength |
Small change over a year |
Significant loss in a week |
Consistently 100% chlorine |
| Chlorine delivery control |
Consistent strength makes for easy, reliable control |
Ever-changing strength makes control difficult |
Troublesome regulators needed; harder to automate |
| Storage convenience |
55-lb. pails stacked three high; same space as 150-lb. cylinder; no separate room |
Drum deposits; bulk tanks or drums require space and possibly containment pad |
Separate room with special access needed; fans, scrubbers |
| Auxiliary equipment |
No moving parts in chlorinator itself |
Troublesome metering pumps required |
Eductors, regulators have small orifices prone to plugging |