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Watch Water® ROSOFT® is replacing the use of water softeners. No more salt and no more Eutrophication.
In addition to the broad spectrum protection ROSOFT® provide from small to large flow applications and the cost of softening becomes prohibitive. The comparison table is shown below.
We have made a overview of the costs associated to operating a water softener system compared to that of applying ROSOFT® dosing at various concentrations of Water Hardness.
“No Body Will Install These Lousy Water Softeners Anymore”
ROSOFT® One Product with Multiple Benefits. You Will find out much more of this new discovery of ROSOFT® on our website www.watchwater.de
ROSOFT® is a multifunctional antiscalant
for RO membranes allowing operations at
high recovery rates from various feed water
sources as;
➢ Seawater
➢ Surface-Water
➢ Brackish-Water
➢ Waste-Water
MULTIFUNCTIONAL
Always keeps the membrane surface free from any scale corrosion and biofouling.
ROSOFT® helps maximizing the production capacity while enhancing the energy footprint of the plant
Reliable and efficient water reuse operations with Watch Water® ROSOFT®

Water Softener VS. WATCH ROSOFT
Pretreatment : Water Softener
Feed flow rate of 100 GPM and an RO recovery of 75%. System is a duplex water softener. Sodium chloride salt for water softener regeneration cost $0.16 per pound.
Hardness(mg/l) | Capital Cost (Equipment) | Salt Cost ($/year) | Equipment Life (year) |
|---|---|---|---|
| 10 | $25.000 | $1.800 | 10 |
| 20 | $25.000 | $3.600 | 10 |
| 50 | $50.000 | $9.000 | 10 |
| 50 | $50.000 | $22.500 | 10 |
| 50 | $50.000 | $45.000 | 10 |
ROSOFT® DOSAGE range from 3-6 mg/L depending on the water hardness.
ROSOFT® is available only as instant powder and diluted just before usage.
Lower or lowest operating cost that all other products (Antiscalants) in the market.
ROSOFT works up to 200 Grains of hardness.
No salt, No Regeneration required.
Pretreatment : ROSOFT dosing
Hardness(mg/l) | Capital Cost (Equipment) | ROSOFT Cost ($/year) | Equipment Life (year) |
|---|---|---|---|
| 10 | $2.000 | $1.200 | 20 |
| 20 | $2.000 | $1.200 | 20 |
| 50 | $2.500 | $1.200 | 20 |
| 50 | $2.500 | $1.500 | 20 |
| 50 | $3.000 | $1.750 | 20 |

Key Benefits:
▪ NO PHOSPHONATES and performs much better than phosphonate blended Antiscalants.
▪ ROSOFT® keeps the scaling and fouling forming Ion’s (Cation’s & Anion’s) soluble in the super saturated concentrate for 2 or 3 pass Reverse Osmosis.


