TDS

EC

NTU

pH

Type of microfilter

1683 ± 196.58

2511 ± 293.45

791 ± 19.80

7.3 ± 0.14

Greywater

1614 ± 17.68

2408 ± 26.16

57.2 ± 26.60

8.1 ± 0.1

Sand

1616 ± 34.65

2411 ± 51.62

35.5 ± 26.18

8.2 ± 0.21

Sand + biochar

1585 ± 59.40

2365 ± 89.10

34 ± 22.42

8.2 ± 0.07

Sand + charcoal

1677 ± 113.14

2503 ± 169.00

30.7 ± 12.33

7.9 ± 0.14

Sand + organoclay

1692 ± 74.95

2525 ± 111.72

77 ± 1.41

8.5 ± 0.35

Sand + sawdust