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$78.01, Sep 10 9:46 am $81.56, Nov 11 - Dec 4 $81.57, Dec 7 - Dec 16 $80.77, Dec 18 - Dec 26 $80.36, Dec 28 - Jan 7 $79.95, Jan 7 - Jan 17 $79.55, Jan 18 - Jan 23 $79.15, Jan 25 - Jan 31 $78.74, Feb 1 - Feb 7 $79.78, Feb 7 - Feb 27 $78.98, Feb 28 - Mar 8 $78.18, Mar 9 - Mar 19 $81.61, Mar 20 - Jul 26 $81.61, Mar 20 - Jul 26 $81.59, May 4 6:38 pm $76.31, May 3 - May 4 $81.61, Mar 20 - Jul 26 $81.60, May 5 - May 7 $68.57, May 5 - May 6 $81.61, Mar 20 - Jul 26 $81.59, May 9 8:52 pm $71.69, May 7 - May 11 $81.61, Mar 20 - Jul 26 $81.60, May 12 5:26 am $67.10, May 12 5:26 am $81.61, Mar 20 - Jul 26 $81.60, May 13 - May 16 $67.09, May 13 - May 17 $81.61, Mar 20 - Jul 26 $81.60, May 19 - May 23 $62.56, May 18 - May 23 $81.61, Mar 20 - Jul 26 $81.59, May 24 - May 25 $67.09, May 23 - Jun 4 $81.61, Mar 20 - Jul 26 $81.60, May 27 - May 28 $67.09, May 23 - Jun 4 $81.61, Mar 20 - Jul 26 $81.58, May 28 8:38 pm $67.09, May 23 - Jun 4 $81.61, Mar 20 - Jul 26 $81.57, May 31 2:54 pm $67.09, May 23 - Jun 4 $81.61, Mar 20 - Jul 26 $81.60, Jun 2 - Jun 3 $67.09, May 23 - Jun 4 $81.61, Mar 20 - Jul 26 $81.58, Jun 4 7:39 pm $67.09, May 23 - Jun 4 $81.61, Mar 20 - Jul 26 $81.60, Jun 8 12:39 am $58.06, Jun 8 - Jun 16 $81.61, Mar 20 - Jul 26 $78.88, Jun 9 - Jun 12 $58.06, Jun 8 - Jun 16 $81.61, Mar 20 - Jul 26 $81.60, Jun 15 - Jun 17 $58.06, Jun 8 - Jun 16 $81.61, Mar 20 - Jul 26 $81.60, Jun 15 - Jun 17 $58.05, Jun 17 - Jun 20 $81.61, Mar 20 - Jul 26 $78.06, Jun 20 1:00 am $58.05, Jun 17 - Jun 20 $81.61, Mar 20 - Jul 26 $81.59, Jun 22 7:16 am $71.07, Jun 21 - Jun 24 $81.61, Mar 20 - Jul 26 $81.60, Jun 25 - Jun 26 $68.55, Jun 25 8:52 am $81.61, Mar 20 - Jul 26 $81.59, Jun 27 3:30 am $66.50, Jun 27 - Jun 28 $81.61, Mar 20 - Jul 26 $81.58, Jun 30 6:19 am $68.59, Jun 29 - Jul 9 $81.61, Mar 20 - Jul 26 $81.60, Jul 1 - Jul 3 $68.59, Jun 29 - Jul 9 $81.61, Mar 20 - Jul 26 $81.59, Jul 4 3:36 pm $68.59, Jun 29 - Jul 9 $81.61, Mar 20 - Jul 26 $81.60, Jul 7 - Jul 8 $68.59, Jun 29 - Jul 9 $81.61, Mar 20 - Jul 26 $81.58, Jul 9 3:25 pm $68.59, Jun 29 - Jul 9 $81.61, Mar 20 - Jul 26 $81.60, Jul 10 - Jul 14 $68.56, Jul 10 - Jul 14 $81.61, Mar 20 - Jul 26 $81.60, Jul 17 - Jul 29 $67.57, Jul 15 - Jul 18 $81.61, Mar 20 - Jul 26 $81.60, Jul 17 - Jul 29 $73.18, Jul 19 - Jul 23 $81.61, Mar 20 - Jul 26 $81.60, Jul 17 - Jul 29 $79.00, Jul 24 - Aug 13 $82.42, Jul 27 - Aug 6 $81.60, Jul 17 - Jul 29 $79.00, Jul 24 - Aug 13 $82.42, Jul 27 - Aug 6 $82.41, Jul 30 - Aug 1 $79.00, Jul 24 - Aug 13 $82.42, Jul 27 - Aug 6 $82.40, Aug 2 1:42 am $79.00, Jul 24 - Aug 13 $82.42, Jul 27 - Aug 6 $82.41, Aug 5 5:59 pm $79.00, Jul 24 - Aug 13 $83.24, Aug 7 - Aug 15 $79.00, Jul 24 - Aug 13 $78.42, Aug 7 9:34 pm $83.24, Aug 7 - Aug 15 $79.00, Jul 24 - Aug 13 $75.00, Aug 8 - Aug 12 $83.24, Aug 7 - Aug 15 $79.06, Aug 15 5:51 am $79.00, Aug 15 - Aug 25 $83.22, Aug 17 - Aug 21 $79.21, Aug 17 3:20 pm $79.00, Aug 15 - Aug 25 $83.22, Aug 17 - Aug 21 $79.00, Aug 15 - Aug 25 $78.23, Aug 19 - Aug 20 $82.38, Aug 22 - Aug 28 $79.00, Aug 15 - Aug 25 $77.39, Aug 22 - Aug 28 $82.38, Aug 22 - Aug 28 $78.00, Aug 27 - Aug 31 $77.39, Aug 22 - Aug 28 $81.55, Aug 29 - Aug 30 $79.06, Aug 29 - Sep 1 $78.00, Aug 27 - Aug 31 $80.73, Aug 31 - Sep 4 $79.06, Aug 29 - Sep 1 $79.00, Sep 1 - Sep 5 $80.73, Aug 31 - Sep 4 $79.04, Sep 4 4:44 am $79.00, Sep 1 - Sep 5 $85.00, Sep 6 - Sep 10 $81.13, Sep 5 - Sep 10 $79.02, Sep 6 4:14 pm $85.00, Sep 6 - Sep 10 $81.13, Sep 5 - Sep 10 $79.00, Sep 9 3:33 am $81.53, Sep 11 - Sep 19 $79.00, Sep 11 - Sep 14 $78.98, Sep 11 12:20 pm $81.53, Sep 11 - Sep 19 $79.00, Sep 11 - Sep 14 $78.96, Sep 12 - Sep 13 $81.53, Sep 11 - Sep 19 $78.94, Sep 15 11:23 pm $75.00, Sep 15 - Sep 19 $81.53, Sep 11 - Sep 19 $81.52, Sep 19 4:26 am $75.00, Sep 15 - Sep 19 $85.28, Sep 22 - Sep 27 $85.25, Sep 23 9:45 am $80.00, Sep 22 - Sep 23 $85.28, Sep 22 - Sep 27 $84.99, Sep 26 - Sep 29 $81.28, Sep 26 1:55 pm $92.56, Sep 28 - Oct 5 $84.99, Sep 26 - Sep 29 $81.26, Sep 27 - Sep 28 $92.56, Sep 28 - Oct 5 $81.23, Sep 30 8:25 pm $80.99, Sep 30 8:25 pm $92.56, Sep 28 - Oct 5 $81.21, Oct 3 1:49 am $81.00, Oct 1 - Nov 8 $94.87, Oct 6 - Oct 11 $81.18, Oct 6 5:39 am $81.00, Oct 1 - Nov 8 $94.87, Oct 6 - Oct 11 $81.15, Oct 8 7:35 am $81.00, Oct 1 - Nov 8 $94.87, Oct 6 - Oct 11 $81.14, Oct 9 10:00 am $81.00, Oct 1 - Nov 8 $97.24, Oct 13 - Nov 8 $85.92, Oct 13 4:40 pm $81.00, Oct 1 - Nov 8 $97.24, Oct 13 - Nov 8 $86.37, Oct 15 - Oct 22 $81.00, Oct 1 - Nov 8 $97.24, Oct 13 - Nov 8 $86.38, Oct 27 12:24 am $81.00, Oct 1 - Nov 8 $97.24, Oct 13 - Nov 8 $86.37, Nov 1 3:11 am $81.00, Oct 1 - Nov 8 $97.24, Oct 13 - Nov 8 $86.38, Nov 8 1:31 am $81.00, Oct 1 - Nov 8 $81.61, Nov 13 - Nov 17 $77.61, Nov 13 8:29 am $77.61, Nov 13 - Nov 17 $81.61, Nov 13 - Nov 17 $77.61, Nov 13 - Nov 17 $69.14, Nov 17 7:40 am $83.40, Nov 20 - Dec 27 $79.40, Nov 20 - Dec 1 $79.40, Nov 20 - Dec 3 $89.94, Dec 3 - Dec 7 $83.40, Nov 20 - Dec 27 $79.40, Nov 20 - Dec 3 $89.94, Dec 3 - Dec 7 $83.40, Nov 20 - Dec 27 $79.39, Dec 5 7:01 pm $89.94, Dec 3 - Dec 7 $83.40, Nov 20 - Dec 27 $79.37, Dec 7 5:33 pm $89.47, Dec 9 7:09 pm $83.40, Nov 20 - Dec 27 $79.31, Dec 9 7:09 pm $88.86, Dec 12 8:04 pm $83.40, Nov 20 - Dec 27 $79.17, Dec 12 8:04 pm $88.62, Dec 14 - Dec 16 $83.40, Nov 20 - Dec 27 $79.13, Dec 14 5:52 pm $88.62, Dec 14 - Dec 16 $83.40, Nov 20 - Dec 27 $79.05, Dec 16 5:39 pm $89.66, Dec 23 2:44 am $83.40, Nov 20 - Dec 27 $78.91, Dec 23 2:44 am $89.04, Dec 26 2:20 am $83.40, Nov 20 - Dec 27 $78.83, Dec 26 2:20 am $88.80, Dec 27 7:57 am $83.40, Nov 20 - Dec 27 $78.73, Dec 27 7:57 am $88.64, Dec 29 - Jan 16 $82.98, Dec 29 - Jan 1 $78.63, Dec 29 5:26 pm $88.64, Dec 29 - Jan 16 $82.98, Dec 29 - Jan 1 $78.51, Jan 1 11:05 pm $109.25, Jan 14 1:51 am $89.94, Jan 14 - Jan 18 $88.64, Dec 29 - Jan 16 $103.48, Jan 15 - Feb 1 $89.94, Jan 14 - Jan 18 $88.64, Dec 29 - Jan 16 $103.48, Jan 15 - Feb 1 $89.82, Jan 19 7:29 am $88.64, Jan 18 - Jan 21 $103.48, Jan 15 - Feb 1 $89.59, Jan 21 8:22 pm $88.60, Jan 21 8:22 pm $103.48, Jan 15 - Feb 1 $89.42, Jan 24 7:53 am $88.50, Jan 23 - Jan 24 $103.48, Jan 15 - Feb 1 $89.14, Jan 26 11:08 pm $88.49, Jan 25 - Jan 26 $103.48, Jan 15 - Feb 1 $88.84, Jan 29 2:16 pm $88.24, Jan 29 2:16 pm $103.48, Jan 15 - Feb 1 $88.69, Jan 31 8:53 am $88.04, Jan 31 - Feb 2 $102.44, Feb 2 - Feb 7 $88.40, Feb 2 5:24 am $88.04, Jan 31 - Feb 2 $102.44, Feb 2 - Feb 7 $86.69, Feb 5 6:58 pm $84.88, Feb 5 6:58 pm $102.44, Feb 2 - Feb 7 $86.08, Feb 7 1:25 pm $84.33, Feb 7 1:25 pm $101.41, Feb 9 - Feb 15 $84.81, Feb 9 8:51 am $83.38, Feb 9 8:51 am $101.41, Feb 9 - Feb 15 $83.41, Feb 12 11:56 pm $83.32, Feb 12 11:56 pm $101.41, Feb 9 - Feb 15 $83.25, Feb 13 - Feb 20 $82.95, Feb 15 6:20 pm $100.39, Feb 17 - Feb 22 $83.25, Feb 13 - Feb 20 $82.86, Feb 17 5:13 pm $100.39, Feb 17 - Feb 22 $83.25, Feb 13 - Feb 20 $82.78, Feb 20 2:09 pm $100.39, Feb 17 - Feb 22 $82.72, Feb 22 12:21 pm $82.70, Feb 22 - Feb 28 $99.38, Feb 24 - Mar 8 $82.70, Feb 22 - Feb 28 $82.68, Feb 24 10:09 am $99.38, Feb 24 - Mar 8 $85.91, Feb 26 7:36 am $82.70, Feb 22 - Feb 28 $99.38, Feb 24 - Mar 8 $85.61, Feb 28 5:29 am $82.70, Feb 22 - Feb 28 $99.38, Feb 24 - Mar 8 $84.95, Mar 4 7:35 pm $78.63, Mar 2 - Apr 9 $99.38, Feb 24 - Mar 8 $84.77, Mar 6 6:36 pm $78.63, Mar 2 - Apr 9 $99.38, Feb 24 - Mar 8 $84.40, Mar 8 5:41 pm $78.63, Mar 2 - Apr 9 $98.38, Mar 11 - Mar 15 $83.93, Mar 11 1:31 am $78.63, Mar 2 - Apr 9 $98.38, Mar 11 - Mar 15 $83.50, Mar 13 7:28 am $78.63, Mar 2 - Apr 9 $98.38, Mar 11 - Mar 15 $82.64, Mar 15 2:45 pm $78.63, Mar 2 - Apr 9 $97.39, Mar 18 - Apr 1 $82.17, Mar 18 4:16 am $78.63, Mar 2 - Apr 9 $97.39, Mar 18 - Apr 1 $81.71, Mar 20 12:02 pm $78.63, Mar 2 - Apr 9 $97.39, Mar 18 - Apr 1 $86.14, Mar 22 9:32 pm $78.63, Mar 2 - Apr 9 $97.39, Mar 18 - Apr 1 $87.67, Mar 25 4:15 am $78.63, Mar 2 - Apr 9 $97.39, Mar 18 - Apr 1 $86.89, Mar 27 11:33 am $78.63, Mar 2 - Apr 9 $97.39, Mar 18 - Apr 1 $85.00, Mar 29 - Apr 23 $78.63, Mar 2 - Apr 9 $96.41, Apr 4 - Apr 6 $85.00, Mar 29 - Apr 23 $78.63, Mar 2 - Apr 9 $95.45, Apr 9 - Apr 15 $85.00, Mar 29 - Apr 23 $78.63, Mar 2 - Apr 9 $95.45, Apr 9 - Apr 15 $85.00, Mar 29 - Apr 23 $75.05, Apr 12 - Apr 23 $94.49, Apr 17 - Apr 20 $85.00, Mar 29 - Apr 23 $75.05, Apr 12 - Apr 23 $93.54, Apr 26 - Apr 29 $85.00, Apr 26 - Jul 20 $75.05, Apr 26 - May 11 $92.60, May 1 - May 4 $85.00, Apr 26 - Jul 20 $75.05, Apr 26 - May 11 $94.90, May 7 - May 11 $85.00, Apr 26 - Jul 20 $75.05, Apr 26 - May 11 $95.85, May 14 - May 18 $85.00, Apr 26 - Jul 20 $75.04, May 14 12:53 pm $95.85, May 14 - May 18 $85.00, Apr 26 - Jul 20 $71.27, May 18 - May 22 $96.80, May 22 - May 31 $85.00, Apr 26 - Jul 20 $71.27, May 18 - May 22 $96.80, May 22 - May 31 $85.00, Apr 26 - Jul 20 $67.70, May 27 4:03 am $96.80, May 22 - May 31 $85.00, Apr 26 - Jul 20 $64.32, May 31 - Jun 5 $95.82, Jun 5 - Jun 9 $85.00, Apr 26 - Jul 20 $64.32, May 31 - Jun 5 $95.82, Jun 5 - Jun 9 $85.00, Apr 26 - Jul 20 $61.39, Jun 9 2:21 pm $94.86, Jun 13 - Jun 17 $85.00, Apr 26 - Jul 20 $60.00, Jun 13 - Jun 28 $93.90, Jun 21 - Jun 24 $85.00, Apr 26 - Jul 20 $60.00, Jun 13 - Jun 28 $92.96, Jun 28 - Jul 3 $85.00, Apr 26 - Jul 20 $60.00, Jun 13 - Jun 28 $92.96, Jun 28 - Jul 3 $85.00, Apr 26 - Jul 20 $61.39, Jul 3 - Jul 16 $92.03, Jul 7 7:12 am $85.00, Apr 26 - Jul 20 $61.39, Jul 3 - Jul 16 $91.11, Jul 12 - Jul 16 $85.00, Apr 26 - Jul 20 $61.39, Jul 3 - Jul 16 $90.19, Jul 20 - Jul 27 $85.00, Apr 26 - Jul 20 $70.00, Jul 20 - Jul 27 $90.19, Jul 20 - Jul 27 $83.49, Jul 23 2:28 pm $70.00, Jul 20 - Jul 27 $90.19, Jul 20 - Jul 27 $85.00, Jul 27 4:15 am $70.00, Jul 20 - Jul 27 $89.28, Jul 30 - Aug 1 $83.78, Jul 30 6:19 pm $64.99, Jul 30 - Aug 1 $89.28, Jul 30 - Aug 1 $84.08, Aug 1 2:15 pm $64.99, Jul 30 - Aug 1 $84.81, Aug 5 - Aug 8 $83.23, Aug 5 5:20 am $61.39, Aug 5 5:20 am $84.81, Aug 5 - Aug 8 $83.23, Aug 5 5:20 am $64.99, Aug 8 11:30 pm $80.56, Aug 12 - Aug 14 $64.99, Aug 12 - Aug 18 $59.99, Aug 12 - Aug 14 $79.06, Aug 18 - Aug 24 $64.99, Aug 18 9:43 am $64.99, Aug 12 - Aug 18 $79.06, Aug 18 - Aug 24 $75.05, Aug 20 8:11 am $60.00, Aug 20 8:11 am $79.06, Aug 18 - Aug 24 $79.05, Aug 22 6:20 am $64.99, Aug 22 - Aug 24 $84.32, Aug 26 - Aug 30 $79.05, Aug 22 6:20 am $64.98, Aug 26 5:54 am $84.32, Aug 26 - Aug 30 $79.05, Aug 22 6:20 am $64.70, Aug 30 12:33 am $85.15, Sep 2 - Sep 8 $81.86, Sep 4 - Sep 8 $64.99, Sep 4 6:17 pm $85.15, Sep 2 - Sep 8 $81.86, Sep 4 - Sep 8 $68.59, Sep 8 4:16 pm $81.86, Sep 4 - Sep 8 $80.89, Sep 12 - Sep 16 $68.55, Sep 12 1:16 pm $81.86, Sep 4 - Sep 8 $80.89, Sep 12 - Sep 16 $68.59, Sep 16 - Sep 18 $81.86, Sep 4 - Sep 8 $79.06, Sep 18 - Sep 22 $68.59, Sep 16 - Sep 18 $81.86, Sep 4 - Sep 8 $79.06, Sep 18 - Sep 22 $69.09, Sep 22 8:23 am $81.86, Sep 4 - Sep 8 $79.89, Sep 26 - Sep 30 $69.05, Sep 26 6:34 am $81.86, Sep 4 - Sep 8 $79.89, Sep 26 - Sep 30 $70.00, Sep 28 - Sep 30 $81.86, Sep 4 - Sep 8 $81.61, Oct 2 - Nov 19 $76.01, Oct 2 - Oct 26 $89.94, Oct 30 3:24 am $81.86, Sep 4 - Sep 8 $81.61, Oct 2 - Nov 19 $81.86, Sep 4 - Sep 8 $81.61, Oct 2 - Nov 19 $73.45, Nov 3 - Nov 7 $87.58, Nov 11 - Nov 15 $81.86, Sep 4 - Sep 8 $81.61, Oct 2 - Nov 19 $87.57, Nov 19 - Nov 29 $81.86, Sep 4 - Sep 8 $81.61, Oct 2 - Nov 19 $87.57, Nov 19 - Nov 29 $82.50, Nov 24 - Dec 8 $81.86, Sep 4 - Sep 8 $82.50, Nov 24 - Dec 8 $81.86, Sep 4 - Sep 8 $78.37, Dec 3 - Dec 8 $87.58, Dec 13 10:36 pm $83.32, Dec 13 - Dec 19 $81.86, Sep 4 - Sep 8 $83.32, Dec 13 - Dec 19 $81.86, Sep 4 - Sep 8 $74.99, Dec 19 12:41 am $87.58, Dec 23 - Dec 28 $82.90, Dec 23 8:41 pm $81.86, Sep 4 - Sep 8 $87.58, Dec 23 - Dec 28 $81.86, Sep 4 - Sep 8 $79.58, Dec 28 - Jan 2 $79.58, Dec 28 - Jan 2 $71.63, Jan 2 4:38 pm $69.84, Jan 2 4:38 pm $79.06, Jan 7 - Jan 17 $75.00, Jan 7 - Jan 12 $69.84, Jan 2 4:38 pm $79.06, Jan 7 - Jan 17 $71.15, Jan 15 12:50 am $69.84, Jan 2 4:38 pm $79.06, Jan 7 - Jan 17 $73.00, Jan 17 - Jan 20 $69.84, Jan 2 4:38 pm $79.45, Jan 20 - Jan 25 $73.00, Jan 17 - Jan 20 $69.84, Jan 2 4:38 pm $79.45, Jan 20 - Jan 25 $75.00, Jan 22 4:04 pm $69.84, Jan 2 4:38 pm $82.50, Jan 25 5:03 am $79.45, Jan 20 - Jan 25 $69.84, Jan 2 4:38 pm $82.10, Jan 27 7:09 pm $79.84, Jan 27 - Feb 1 $69.84, Jan 2 4:38 pm $79.84, Jan 27 - Feb 1 $75.49, Jan 30 7:57 am $69.84, Jan 2 4:38 pm $79.84, Jan 27 - Feb 1 $69.84, Jan 2 4:38 pm $69.80, Feb 1 8:34 pm $81.61, Feb 4 - Feb 23 $69.84, Jan 2 4:38 pm $69.40, Feb 4 10:46 am $81.61, Feb 4 - Feb 23 $69.84, Jan 2 4:38 pm $69.00, Feb 7 12:54 am $81.61, Feb 4 - Feb 23 $69.84, Jan 2 4:38 pm $61.00, Feb 12 4:16 am $81.61, Feb 4 - Feb 23 $69.84, Jan 2 4:38 pm $59.60, Feb 17 2:02 pm $81.61, Feb 4 - Feb 23 $69.84, Jan 2 4:38 pm $58.10, Feb 23 3:17 am $105.60, Feb 28 10:58 am $81.71, Feb 28 10:58 am $55.85, Feb 28 10:58 am $81.71, Feb 28 10:58 am $80.20, Mar 12 5:26 am $60.95, Mar 12 5:26 am $88.71, Mar 24 3:11 am $70.09, Mar 24 3:11 am $61.00, Mar 24 3:11 am $78.16, Mar 30 12:06 am $65.31, Mar 30 12:06 am $58.50, Mar 30 12:06 am 42,286 1,170,502
781,250
390,625
Oct
Dec
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2015
2016
Price Details
New
Latest
$78.16 Mar 30, '16
Highest
$109.25 Jan 14, '15
Lowest
$78.01 Sep 10, '13
Average
$83.02 (30d avg)
Added
Sep 10, 2013
3rd Party New
Latest
$65.31 Mar 30, '16
Highest
$89.94 Jan 14, '15
Lowest
$64.99 Aug 12, '15
Average
$70.09 (30d avg)
Added
Sep 10, 2013
3rd Party Used
Latest
$58.50 Mar 30, '16
Highest
$89.94 Oct 30, '15
Lowest
$55.85 Feb 28, '16
Average
$60.97 (30d avg)
Added
Sep 10, 2013
Sales Rank
30 day average: 421,143 423,952
Product Description
Principles of Water Treatment has been developed from the best selling reference work Water Treatment, 3rd edition by the same author team. It maintains the same quality writing, illustrations, and worked examples as the larger book, but in a smaller format which focuses on the treatment processes and not on the design of the facilities.
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