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1-48 of 76 results for
"aquarium PH & Alkalinity additive"
Results
Price and other details may vary based on product size and color.
Tetra Correct pH Tablets 8 Count, For aquarium Water
4.5 out of 5 stars
3,204
1K+ bought in past month
$2.92
$
2
.
92
List:
$4.19
$4.19
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Tue, May 14
API PROPER pH 7.0 Freshwater Aquarium Water pH Stabilizer 8.8-Ounce Container
4.5 out of 5 stars
2,392
1K+ bought in past month
$9.89
$
9
.
89
List:
$15.78
$15.78
$9.40 with Subscribe & Save discount
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
Brightwell Aquatics Alkalin8.3 - Concentrated KH Buffer Supplement for All Marine and Reef Aquariums
4.7 out of 5 stars
127
$29.04
$
29
.
04
Typical:
$31.81
$31.81
Save more with Subscribe & Save
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
Only 17 left in stock (more on the way).
More Buying Choices
$27.22
(3 new offers)
More results
Alkaline Buffer, 300 g / 10.5 oz
4.7 out of 5 stars
1,184
400+ bought in past month
Limited time deal
$9.99
$
9
.
99
List:
$13.58
$13.58
Save more with Subscribe & Save
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
Seachem Alkaline Regulator 250gram
4.4 out of 5 stars
102
50+ bought in past month
$13.26
$
13
.
26
$12.60 with Subscribe & Save discount
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Fri, May 17
More Buying Choices
$13.20
(6 new offers)
Brightwell Aquatics Reef Code A - Balanced Calcium and Alkalinity System for Marine Fish & Reef Aquariums 250-ml
4.6 out of 5 stars
234
$10.63
$
10
.
63
Typical:
$11.25
$11.25
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
Seachem Reef Carbonate 500ml
4.7 out of 5 stars
346
100+ bought in past month
$6.87
$
6
.
87
Save more with Subscribe & Save
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
API pH UP Freshwater Aquarium Water pH Raising Solution for fish,4-Ounce Bottle, Brown
4.5 out of 5 stars
2,368
700+ bought in past month
$6.29
$
6
.
29
List:
$9.88
$9.88
$5.98 with Subscribe & Save discount
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
Brightwell Aquatics Alkalin8.3-P - Alkaline KH Buffer Powder for All Marine and Reef Aquariums
4.5 out of 5 stars
75
$19.58
$
19
.
58
Typical:
$20.69
$20.69
Save more with Subscribe & Save
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
More Buying Choices
$14.20
(5 new offers)
More results
Reef Carbonate, 2 L / 67.6 fl. oz.
4.6 out of 5 stars
67
Limited time deal
$22.18
$
22
.
18
Typical:
$25.15
$25.15
Save more with Subscribe & Save
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
KORDON #35316 pH Increase Adjuster for Aquarium, 16-Ounce
4.5 out of 5 stars
399
200+ bought in past month
$7.01
$
7
.
01
Save more with Subscribe & Save
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
Seachem Acid Buffer 300gram
4.7 out of 5 stars
696
200+ bought in past month
$14.98
$
14
.
98
List:
$15.86
$15.86
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
Another way to buy
$12.34
$
12
.
34
List:
$15.86
$15.86
FREE delivery
May 21 - 23
Or fastest delivery
Mon, May 20
Only 11 left in stock - order soon.
API pH DOWN Freshwater Aquarium Water pH Reducing Solution 4-Ounce Bottle
4.6 out of 5 stars
754
100+ bought in past month
$10.69
$
10
.
69
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Fri, May 17
Seachem Reef Buffer 250gram
4.7 out of 5 stars
556
50+ bought in past month
$7.12
$
7
.
12
Save more with Subscribe & Save
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
KORDON #35326 pH Decrease Adjuster for Aquarium, 16-Ounce
4.2 out of 5 stars
255
200+ bought in past month
$6.95
$
6
.
95
Save more with Subscribe & Save
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
Seachem Alkaline Buffer 600gram
4.8 out of 5 stars
519
50+ bought in past month
$17.46
$
17
.
46
$16.59 with Subscribe & Save discount
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
API PROPER pH 8.2 Freshwater Aquarium Water pH Stabilizer 7.4-Ounce Container
4.5 out of 5 stars
678
100+ bought in past month
$9.89
$
9
.
89
Typical:
$10.98
$10.98
$9.40 with Subscribe & Save discount
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
API PROPER pH 6.5 Freshwater Aquarium Water pH Stabilizer 8.5-Ounce Container
4.5 out of 5 stars
236
50+ bought in past month
$9.89
$
9
.
89
List:
$15.78
$15.78
$9.40 with Subscribe & Save discount
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
KORDON #35314 pH Increase Adjuster for Aquarium, 4-Ounce
4.2 out of 5 stars
9
$5.89
$
5
.
89
Typical:
$6.31
$6.31
Save more with Subscribe & Save
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
Imagitarium pH Reducer, 4oz
4.4 out of 5 stars
13
$7.99
$
7
.
99
(
$7.99
$7.99
/Count)
FREE delivery
May 17 - 23
Or fastest delivery
May 15 - 20
Only 20 left in stock - order soon.
More Buying Choices
$7.90
(3 new offers)
Fritz Aquatics 81103 Fritz pH Lower for Fresh and Salt Water Aquariums, 16-Ounce
4.4 out of 5 stars
506
$18.10
$
18
.
10
Typical:
$19.21
$19.21
FREE delivery
Jun 3 - 6
Or fastest delivery
May 31 - Jun 5
Continuum Aquatics Basis Borate Free KH Buffer - Professional Alkalinity Boosting pH and KH Control for Marine Fish and Reef Saltwater Aquariums
5.0 out of 5 stars
1
$10.14
$
10
.
14
Save more with Subscribe & Save
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
Only 9 left in stock (more on the way).
Brightwell Aquatics Florin pH- - Water Conditioner to Lower pH Level in Freshwater, Planted, and Marine Saltwater Aquariums, 500-ml
3.5 out of 5 stars
6
$15.73
$
15
.
73
Save more with Subscribe & Save
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
Only 11 left in stock (more on the way).
Continuum Aquatics Flora Viv KH+ - Alkalinity Booster & pH Stabilizer for Freshwater Aquariums, 1000 Grams / 1Kg
4.2 out of 5 stars
79
$20.82
$
20
.
82
Typical:
$23.07
$23.07
Save more with Subscribe & Save
FREE delivery
Mon, May 20
on $35 of items shipped by Amazon
Or fastest delivery
Fri, May 17
Tetra EasyBalance Plus 3.38 Ounces, Weekly Freshwater Aquarium Water Conditioner (836135)
4.6 out of 5 stars
1,495
50+ bought in past month
$6.00
$
6
.
00
List:
$7.04
$7.04
$5.70 with Subscribe & Save discount
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
API pH TEST & ADJUSTER KIT 250-Test Freshwater Aquarium Water pH Test and Adjuster Kit (29A)
4.6 out of 5 stars
788
200+ bought in past month
$11.69
$
11
.
69
(
$11.69
$11.69
/Count)
List:
$18.28
$18.28
Save more with Subscribe & Save
FREE delivery
Mon, May 20
on $35 of items shipped by Amazon
Fritz Aquatics 81104 Fritz pH Higher for Fresh and Salt Water Aquariums, 16-Ounce
4.1 out of 5 stars
154
$16.99
$
16
.
99
FREE delivery
Mon, May 20
Or fastest delivery
May 16 - 17
Only 10 left in stock - order soon.
More Buying Choices
$16.91
(3 new offers)
Imagitarium pH Enhancer, 4oz
4.7 out of 5 stars
7
$7.99
$
7
.
99
(
$7.99
$7.99
/Count)
FREE delivery
May 16 - 17
Seachem Neutral Regulator 250gram
4.6 out of 5 stars
2,048
500+ bought in past month
$7.24
$
7
.
24
List:
$11.48
$11.48
Save more with Subscribe & Save
Save 10% when you buy
$50.00
of select items
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
Seachem Ph Alert for Freshwater
3.9 out of 5 stars
170
$7.59
$
7
.
59
Typical:
$10.94
$10.94
FREE delivery
May 16 - 20
Or fastest delivery
Thu, May 16
Only 1 left in stock - order soon.
Fritz Aquatics 80301 Fritz RPM Alkalinity Buffer Reef Aquarium Supplement PT 1, 32-Ounce
4.5 out of 5 stars
69
$22.56
$
22
.
56
FREE delivery
May 16 - 20
Or fastest delivery
May 15 - 17
Only 4 left in stock - order soon.
More Buying Choices
$22.44
(4 new offers)
Fluval Sea Alkalinity for Aquarium, 8-Ounce
4.4 out of 5 stars
114
50+ bought in past month
$7.99
$
7
.
99
$7.59 with Subscribe & Save discount
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
Seachem MultiTest - Marine pH/Alkalinity - 75 Tests
3.7 out of 5 stars
23
$18.24
$
18
.
24
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Fri, May 17
Only 13 left in stock - order soon.
More Buying Choices
$15.99
(10 new offers)
API Proper pH 7.5 Freshwater Aquarium Water pH Stabilizer 9.2-Ounce Container, Proper PH 7.5 PWDR JAR-Small, Whites & Tans, 260 Grams
4.4 out of 5 stars
584
100+ bought in past month
$14.49
$
14
.
49
List:
$15.78
$15.78
$13.77 with Subscribe & Save discount
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
Tetra Correct pH Tablets - 24 Tablets Total (3 Packs with 8 Tablets per Pack)
4.6 out of 5 stars
308
50+ bought in past month
$14.60
$
14
.
60
List:
$17.99
$17.99
Save more with Subscribe & Save
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
Fritz Aquatics 80285 Fritz pH Neutralizer for Fresh and Salt Water Aquariums, 1-LBS
4.4 out of 5 stars
126
$24.99
$
24
.
99
FREE delivery on $35 shipped by Amazon.
Usually ships within 1 to 3 weeks
Brightwell Aquatics Florin Delta KH+ - Increases Carbonate Hardness and pH Stability in Freshwater and Planted Aquariums 500-g
4.1 out of 5 stars
17
$18.51
$
18
.
51
Save more with Subscribe & Save
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Fri, May 17
API PH TEST KIT 250-Test Freshwater Aquarium Water pH Test Kit, 4 Piece Set
4.6 out of 5 stars
3,199
400+ bought in past month
$7.19
$
7
.
19
(
$7.19
$7.19
/Count)
List:
$11.28
$11.28
$6.83 with Subscribe & Save discount
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
Reef Carbonate, 4 L / 1 fl. gal.
4.8 out of 5 stars
3
$38.04
$
38
.
04
FREE delivery
Sat, May 18
Or fastest delivery
Fri, May 17
Only 17 left in stock (more on the way).
Fluval 3 Ions Fluval Sea Trace for Aquarium, 8-Ounce
4.6 out of 5 stars
68
$8.27
$
8
.
27
List:
$11.99
$11.99
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Fri, May 17
Red Sea Aqcult 306168 1 LTR Reefer Foundation B Alkalin
4.7 out of 5 stars
254
200+ bought in past month
$26.50
$
26
.
50
List:
$32.82
$32.82
Save more with Subscribe & Save
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
Only 15 left in stock - order soon.
Bionic Part 1 Treatment, Alkalinity
4.0 out of 5 stars
39
$25.58
$
25
.
58
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Fri, May 17
Only 5 left in stock - order soon.
Fritz Alkalinity (KH) Test Kit | Measures dKH in Fersh & Salt Water Aquarium Fish Tanks
$15.99
$
15
.
99
(
$15.99
$15.99
/Count)
FREE delivery
Fri, May 17
Brightwell Aquatics Alkalin8.3 - Liquid pH Buffer & Alkalinity (KH) - Builder 250mL / 8.5oz
5.0 out of 5 stars
3
$11.99
$
11
.
99
FREE delivery
May 17 - 23
Or fastest delivery
Mon, May 20
Only 2 left in stock - order soon.
Alkaline Buffer, 70 g / 2.5 oz
4.5 out of 5 stars
205
$9.37
$
9
.
37
$8.90 with Subscribe & Save discount
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
Seachem Liquid Neutral Regulator 500 ml, 16.9 fluid ounce.
4.5 out of 5 stars
136
100+ bought in past month
$10.98
$
10
.
98
Save more with Subscribe & Save
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
API Perfect Start Complete Aquarium Start Up Program Additive, 1 Count (Pack of 1)
4.4 out of 5 stars
151
$19.34
$
19
.
34
FREE delivery
Sat, May 18
on $35 of items shipped by Amazon
Or fastest delivery
Thu, May 16
Only 11 left in stock - order soon.
API Proper pH 7.0 Freshwater Aquarium Water pH Stabilizer and API Ammo-Lock Freshwater and Saltwater Aquarium Ammonia Detoxifier
$21.13
$
21
.
13
List:
$33.26
$33.26
FREE delivery on $35 shipped by Amazon.
Related searches
ph test strips
ammonia test kit for aquarium
ph test strips for water
ph up aquarium
fish tank thermometer
fish tank 10 gallon
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