teflon heating elements could be used in any solution and got an excellent PH resistence
teflon heating elements
Watts
Volts
Hotzone(IN/mm)
Overall length(IN/mm)
Dia(IN/mm)
Weight(kg)
500
120
240
6
(155)
14
(355)
5
(125)
2.5
1000
120
240
7
(180)
14
(355)
6
(155)
3.5
2000
120
240
480
9
(230)
17
(430)
8
(205)
4
3000
240
480
10
(255)
23
(585)
9
(230)
6
4000
240
480
12
(305)
29
(735)
11
(280)
7
5000
240
480
13
(330)
35
(890)
12
(305)
8
6000
240
480
14
(355)
40
(1015)
13
(330)
10