Parameter - Reagent	Possible Effects of High Levels	Quantity	Price	Link to More Detailed Info
Chloride 0.5 - 25: · Chloride T1 · Chloride T2	Salty taste, corrodes iron and pipes	100 tablets 100 tablets	R520,00 R520,00	Chloride http://www.selectech.co.za/index.php?page=chloride
Ammonia 0.02 - 1.0: · Ammonia No.1 · Ammonia No.2	May indicate untreated sewage, result in Nitrate / Nitrite formation, toxic to fresh-water organisms.	250 tablets 250 tablets	R750,00 R750,00	Ammonia http://www.selectech.co.za/index.php?page=ammonia2
Iron · Iron Lo Range · Iron Hi Range	Mainly aesthetic, causes rust coloured staining, excessive amounts toxic	250 tablets 250 tablets	R1 270,00 R   790,00	Iron http://www.selectech.co.za/index.php?page=iron
pH Buffer: · pH4 · pH7 · pH10	Used for calibration, to obtain more accurate and reproducible results.  Start with pH7, then 4, then 10.	250 tablets 250 tablets 250 tablets	R340,00 R340,00 R340,00
Phosphate - Lo Range · Phosphate No.1 Lo R. · Phosphate No.2 Lo R.	Overgrowth of water plants, leads to low Oxygen levels and death of aquatic life	250 tablets 250 tablets	R930,00 R930,00	Phosphates http://www.selectech.co.za/index.php?page=phosphates