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# Bore Cleaning Dosage Table for Clearbore

Diameter of Bore / Pipeline
(mms / inches)
Amount of Clearbore
per Metre of Water (gms/Kg)
25 / 1 24 grams
40 / 1.5 62 grams
50 / 2 98 grams
80 / 3 250 grams
100 / 4 390 grams
125 / 5 610 grams
150 / 6 880 grams
200 / 8 1.57 Kg
250 / 10 2.45 Kg
300 / 12 3.53 Kg
350 / 14 4.80 Kg
400 / 16 6.25 Kg
450 / 18 7.95 Kg
500 / 20 9.81 Kg

Note: A 5% solution is the recommended dose (as per the above table). Where the build-up of iron is slight a 2.5% solution is permissible. To calculate the amount of Clearbore required you will need to know the diameter, depth and standing water level (SWL) of the bore.

## Clearbore Dosage Calculation:

Depth of bore minus standing water level (SWL) = metres of water
Find grams required per diameter from the above table = grams/metre
Multiply metres of water x grams/metre = dosage in grams
Divide dosage in grams by 1000 = dosage in kilograms

## Clearbore Dosage Example:

Example – a 150mm diameter bore, depth 70m, SWL 20m.
Metres of water = 70-20 = 50m
50m x 880grams = 44000grams, divide by 1000 = 44kg Clearbore

## Metric Conversions:

Feet to Metres: x 0.305
Gallons to Litres: x 4.546

Pump impellers before Clearbore treatment

Pump impellers after Clearbore treatment