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Refill Reagents

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OP Tablets, 250 pack Potassium Iodide 50%, 60mL QAC DT, 60 mL
OP Tablets, 250 pack
Usually Ships in 1 to 2 Business Days
Our Price: $99.99
Sale Price: $69.90
Savings: $30.09
10 in stock!
Potassium Iodide 50%, 60mL
Usually Ships in 1 to 2 Business Days
Our Price: $49.99
Sale Price: $42.99
Savings: $7.00
17 in stock!
QAC DT, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $43.99
Sale Price: $39.99
Savings: $4.00
63 in stock!
AD1582-100: OP Tablets, 250 pack PI7450-B: Potassium Iodide 50%, 60mL QA3500-B: QAC DT, 60 mL
Potassium Iodide 50%, 60 mL Hydrochloric Acid 7.7N, 60 mL Toluidine Blue O Indicator, 30 mL
Potassium Iodide 50%, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $47.99
Sale Price: $39.99
Savings: $8.00
6 in stock!
(1)
Hydrochloric Acid 7.7N, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $46.99
Sale Price: $38.99
Savings: $8.00
16 in stock!
Toluidine Blue O Indicator, 30 mL
Usually Ships in 1 to 2 Business Days
Our Price: $44.99
Sale Price: $36.99
Savings: $8.00
16 in stock!
PI1450-B: Potassium Iodide 50%, 60 mL HA6207-B: Hydrochloric Acid 7.7N, 60 mL TB3800-A: Toluidine Blue O Indicator, 30 mL
Hardness Indicator Powder, 10 grams Nitrite Indicator Solution - 1 oz Potassium Hydroxide 0.1N, 60 mL
Hardness Indicator Powder, 10 grams
Usually Ships in 1 to 2 Business Days
Our Price: $42.99
Sale Price: $36.99
Savings: $6.00
9 in stock!
(1)
Nitrite Indicator Solution - 1 oz
Usually Ships in 2 to 3 Business Days
Our Price: $37.99
Sale Price: $34.99
Savings: $3.00
44 in stock!
(1)
Potassium Hydroxide 0.1N, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $36.99
Sale Price: $34.99
Savings: $2.00
44 in stock!
HA7475-H: Hardness Indicator Powder, 10 grams Nitrite Indicator Solution - 1 oz
PH9275-B: Potassium Hydroxide 0.1N, 60 mL
Potassium Iodide 10%, 30mL Hardness Titrant Low, 60 mL Starch Acid / Sulfite Indicating Powder - 2 oz
Potassium Iodide 10%, 30mL
Usually Ships in 1 to 2 Business Days
Our Price: $36.99
Sale Price: $34.99
Savings: $2.00
12 in stock!
Hardness Titrant Low, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $38.99
Sale Price: $34.99
Savings: $4.00
25 in stock!
(1)
Starch Acid / Sulfite Indicating Powder - 2 oz
Usually Ships in 2 to 3 Business Days
Our Price: $36.99
Sale Price: $32.99
Savings: $4.00
55 in stock!
PI1410-A: Potassium Iodide 10%, 30mL ED2073-B: Hardness Titrant Low, 60 mL Starch Acid / Sulfite Indicating Powder - 60 grams
Phenolphthalein Indicator Solution Hardness Indicator, 30 mL Chloride Titrant, 60 mL
Phenolphthalein Indicator Solution - 1 oz
Usually Ships in 2 to 3 Business Days
Our Price: $39.99
Sale Price: $32.99
Savings: $7.00
10 in stock!
(1)
Hardness Indicator, 30 mL
Usually Ships in 1 to 2 Business Days
Our Price: $46.99
Sale Price: $32.99
Savings: $14.00
64 in stock!
(1)
Chloride Titrant, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $36.99
Sale Price: $32.99
Savings: $4.00
12 in stock!
(1)
Phenolphthalein Indicator Solution - 1 oz
HA7430-A: Hardness Indicator, 30 mL SN3410-B: Chloride Titrant, 60 mL
Sodium Thiosulfate 0.1N / Peracetic DT, 60 mL Sodium Hydroxide 0.25N, 60 mL OP Titrant #2, 60 mL
Sodium Thiosulfate 0.1N / Peracetic DT, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $38.99
Sale Price: $32.99
Savings: $6.00
57 in stock!
Sodium Hydroxide 0.25N, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $38.99
Sale Price: $31.99
Savings: $7.00
12 in stock!
OP Titrant #2, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $36.99
Sale Price: $31.99
Savings: $5.00
18 in stock!
ST2910-B: Sodium Thiosulfate 0.1N / Peracetic DT, 60 mL SH6220-B: Sodium Hydroxide 0.25N, 60 mL AD1596-DB: OP Titrant #2, 60 mL
Sodium Thiosulfate, 60 mL Alkalinity Titrant High, 60 mL Sulfite Titrant High, 60 mL
Sodium Thiosulfate, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $38.99
Sale Price: $31.99
Savings: $7.00
7 in stock!
Alkalinity Titrant High, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $36.99
Sale Price: $31.99
Savings: $5.00
9 in stock!
(1)
Sulfite Titrant High, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $34.99
Sale Price: $31.99
Savings: $3.00
9 in stock!
(1)
ST2970-B: Sodium Thiosulfate, 60 mL SA1595-B: Alkalinity Titrant High, 60 mL PI8063-B: Sulfite Titrant High, 60 mL
Sodium Hydroxide 1.0N, 60 mL Molybdenum Titrating Solution Potassium Iodide-Iodate Titrating Solution
Sodium Hydroxide 1.0N, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $37.99
Sale Price: $30.99
Savings: $7.00
20 in stock!
Molybdenum Titrating Solution - 2 oz
Usually Ships in 2 to 3 Business Days
Our Price: $32.99
Sale Price: $29.99
Savings: $3.00
49 in stock!
Potassium Iodide-Iodate Titrating Solution - 2 oz
Usually Ships in 2 to 3 Business Days
Our Price: $35.99
Sale Price: $29.99
Savings: $6.00
37 in stock!
SH6255-B: Sodium Hydroxide 1.0N, 60 mL Molybdenum Titrating Solution - 2 oz
Potassium Iodide-Iodate Titrating Solution - 2 oz
Sulfite Titrant Low, 60 mL Molybdenum Indicator Solvent, 60 mL Nitrite Titrant, 60 mL
Sulfite Titrant Low, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $39.99
Sale Price: $29.99
Savings: $10.00
26 in stock!
Molybdenum Indicator Solvent, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $39.66
Sale Price: $29.99
Savings: $9.67
19 in stock!
Nitrite Titrant, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $38.99
Sale Price: $29.99
Savings: $9.00
36 in stock!
PI8056-B: Sulfite Titrant Low, 60 mL MO1591-B: Molybdenum Indicator Solvent, 60 mL ND2270-B: Nitrite Titrant, 60 mL
Silver Nitrate Titrating Solution - 2 oz Sulfuric Acid Titrating Solution Hardness Buffer Solution
Silver Nitrate Titrating Solution - 2 oz
Usually Ships in 2 to 3 Business Days
Our Price: $31.99
Sale Price: $28.99
Savings: $3.00
7 in stock!
Sulfuric Acid Titrating Solution - 2 oz
Usually Ships in 2 to 3 Business Days
Our Price: $32.99
Sale Price: $28.99
Savings: $4.00
21 in stock!
Hardness Buffer Solution, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $31.99
Sale Price: $28.99
Savings: $3.00
34 in stock!
Silver Nitrate Titrating Solution - 2 oz
Sulfuric Acid Titrating Solution - 2 oz
HA7407-B: Hardness Buffer Solution, 60 mL
Alkalinity Titrant Low, 60 mL Stannous Chloride Peroxide Titrant
Alkalinity Titrant Low, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $39.99
Sale Price: $28.99
Savings: $11.00
20 in stock!
(1)
2.5% Stannous Chloride Powder
Usually Ships in 24 to 48 Hours
Our Price: $34.99
Sale Price: $28.99
Savings: $6.00
7 in stock!
(4)
Peroxide Titrant, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $39.99
Sale Price: $27.99
Savings: $12.00
10 in stock!
SA1555-B: Alkalinity Titrant Low, 60 mL Stannous Chloride Powder - 10 to 500 grams (for sulfite testing)
ND7505-B: Peroxide Titrant, 60 mL
PIT #1 Tablets Potassium Iodide-Iodate Titrating Solution - 2 oz Molybdate Reagent, 60 mL
PIT Number 1 Tablets - 50 tests
Usually Ships in 2 to 3 Business Days
Our Price: $32.99
Sale Price: $27.99
Savings: $5.00
50 in stock!
Potassium Iodide-Iodate Titrating Solution - 2 oz
Usually Ships in 2 to 3 Business Days
Our Price: $32.99
Sale Price: $27.99
Savings: $5.00
7 in stock!
Molybdate Reagent, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $26.99
Sale Price: $27.99
17 in stock!
PIT #1 Tablets - 50 / packet
Potassium Iodide-Iodate Titrating Solution - 2 oz
MO1460-B: Molybdate Reagent, 60 mL
Ferroin Indictor, 30 mL Molybdenum Indicator Powder, 10 grams Neutralizing Amine Titrating Solution
Ferroin Indictor, 30 mL
Usually Ships in 1 to 2 Business Days
Our Price: $32.99
Sale Price: $27.99
Savings: $5.00
20 in stock!
(1)
Molybdenum Indicator Powder, 10 grams
Usually Ships in 1 to 2 Business Days
Our Price: $29.99
Sale Price: $26.99
Savings: $3.00
14 in stock!
Neutralizing Amine Titrating Solution, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $31.99
Sale Price: $26.99
Savings: $5.00
10 in stock!
FE3144-A: Ferroin Indictor, 30 mL MO1589-H: Molybdenum Indicator Powder, 10 grams HA6025-B: Neutralizing Amine Titrating Solution, 60 mL
Sulfuric Acid 50%, 30mL Methyl Orange Indicator Hardness Buffer Solution, 30 mL
Sulfuric Acid 50%, 30mL
Usually Ships in 1 to 2 Business Days
Our Price: $28.99
Sale Price: $26.99
Savings: $2.00
10 in stock!
Methyl Orange Indicator, 30 mL
Usually Ships in 1 to 2 Business Days
Our Price: $29.99
Sale Price: $26.99
Savings: $3.00
6 in stock!
(1)
Hardness Buffer Solution, 30 mL
Usually Ships in 1 to 2 Business Days
Our Price: $29.99
Sale Price: $26.99
Savings: $3.00
48 in stock!
(3)
SA7940-A: Sulfuric Acid 50%, 30mL MO3319-A: Methyl Orange Indicator, 30 mL HA7405-A: Hardness Buffer Solution, 30 mL
Phenolphtalein Indicator - 30 mL Complexing Agent, 30 mL Ceric Sulfate
Phenolphtalein Indicator - 30 mL
Usually Ships in 1 to 2 Business Days
Our Price: $28.99
Sale Price: $26.99
Savings: $2.00
15 in stock!
(2)
Complexing Agent, 30 mL
Usually Ships in 1 to 2 Business Days
Our Price: $31.99
Sale Price: $25.99
Savings: $6.00
7 in stock!
Ceric Sulfate, 30 mL
Usually Ships in 1 to 2 Business Days
Our Price: $29.99
Sale Price: $24.99
Savings: $5.00
16 in stock!
(1)
PH1605-A: Phenolphtalein Indicator - 30 mL CO3300-A: Complexing Agent, 30 mL CE3075-A: Ceric Sulfate, 30 mL
PTS #2 Titrating Solution - 2 to 16 oz Sodium Molybdate Titrating Solution Molybdenum Buffer Solution - 1 oz
PTS #2 Titrating Solution - 2 to 16 oz
Usually Ships in 2 to 3 Business Days
Our Price: $27.99
Sale Price: $24.99
Savings: $3.00
18 in stock!
Sodium Molybdate Solution - 2 oz
Usually Ships in 2 to 3 Business Days
Our Price: $27.99
Sale Price: $24.99
Savings: $3.00
22 in stock!
Molybdenum Buffer Solution - 1 oz
Usually Ships in 2 to 3 Business Days
Our Price: $27.99
Sale Price: $24.99
Savings: $3.00
26 in stock!
PTS #2 Titrating Solution - 2 to 16 oz
Sodium Molybdate Titrating Solution - 2 oz
Molybdenum Buffer Solution - 1 oz
Mixed Molybdenum Indicator Solution Sulfuric Acid Neutralizing Solution Silver Nitrate Titrating Solution
Mixed Molybdenum Indicator Solution - 1 oz
Usually Ships in 2 to 3 Business Days
Our Price: $27.99
Sale Price: $24.99
Savings: $3.00
45 in stock!
Sulfuric Acid Neutralizing Solution - 1 oz
Usually Ships in 2 to 3 Business Days
Our Price: $27.99
Sale Price: $24.99
Savings: $3.00
29 in stock!
Potassium Chromate Indicator Solution - 1 oz
Usually Ships in 2 to 3 Business Days
Our Price: $27.99
Sale Price: $24.99
Savings: $3.00
42 in stock!
Mixed Molybdenum Indicator Solution - 1 oz
Sulfuric Acid Neutralizing Solution - 1 oz
Potassium Chromate Indicator Solution - 1 oz
Hardness Indicator Powder Calcium Indicator Powder Calcium Indicator Powder
Hardness Indicator Powder with Scoop - 30 grams
Usually Ships in 2 to 3 Business Days
Our Price: $32.99
Sale Price: $24.99
Savings: $8.00
34 in stock!
Calcium Indicator Powder (Murexide) with Scoop - 30 grams
Usually Ships in 2 to 3 Business Days
Our Price: $27.99
Sale Price: $24.99
Savings: $3.00
15 in stock!
Calcium Indicator Powder (HNB) with Scoop - 30 grams
Usually Ships in 2 to 3 Business Days
Our Price: $27.99
Sale Price: $24.99
Savings: $3.00
49 in stock!
Hardness Indicator Powder (Calmagite) with Scoop - 30 grams
Calcium Indicator Powder (HNB) with Scoop - 30 grams
Calcium Indicator Powder (HNB) with Scoop - 30 grams
Calcium Buffer Solution Hardness Titrating Solution Ceric Sulfate Titrating Solution - 2 oz
Calcium Buffer Solution - 2 oz
Usually Ships in 2 to 3 Business Days
Our Price: $27.99
Sale Price: $24.99
Savings: $3.00
49 in stock!
Hardness Titrating Solution - 2 oz
Usually Ships in 2 to 3 Business Days
Our Price: $27.99
Sale Price: $24.99
Savings: $3.00
36 in stock!
Ceric Sulfate Titrating Solution - 2 oz
Usually Ships in 2 to 3 Business Days
Our Price: $27.99
Sale Price: $24.99
Savings: $3.00
26 in stock!
Calcium Buffer Solution - 1 oz
Hardness Titrating Solution - 2 oz
Ceric Sulfate Titrating Solution - 2 oz
Ceric Sulfate Titrating Solution - 2 oz Methyl Purple Indicator Solution 10% Barium Chloride Solution - 1 oz
Ceric Sulfate Titrating Solution - 2 oz
Usually Ships in 2 to 3 Business Days
Our Price: $32.99
Sale Price: $24.99
Savings: $8.00
24 in stock!
(1)
Methyl Purple Indicator Solution - 1 oz
Usually Ships in 2 to 3 Business Days
Our Price: $27.99
Sale Price: $24.99
Savings: $3.00
48 in stock!
10% Barium Chloride Solution - 1 oz
Usually Ships in 2 to 3 Business Days
Our Price: $27.99
Sale Price: $24.99
Savings: $3.00
47 in stock!
(1)
Ceric Sulfate Titrating Solution - 2 oz
Methyl Purple Indicator Solution - 1 oz
10% Barium Chloride Solution - 1 oz
Calcium Hardness Indicator, 10 grams Calcium Hardness Indicator, 10 grams Filter Paper, 9cm
Calcium Hardness Indicator, 10 grams
Usually Ships in 1 to 2 Business Days
Our Price: $24.99
Sale Price: $24.99
11 in stock!
Calcium Hardness Buffer, 30 mL
Usually Ships in 1 to 2 Business Days
Our Price: $26.99
Sale Price: $24.99
Savings: $2.00
18 in stock!
Filter Paper, 9cm
Usually Ships in 1 to 2 Business Days
Our Price: $26.99
Sale Price: $24.99
Savings: $2.00
17 in stock!
CA1100-H: Calcium Hardness Indicator, 10 grams CA1119-A: Calcium Hardness Buffer, 30 mL FP0610-9: Filter Paper, 9cm
Magnesium Chloride Reagent, 60 mL Sulfuric Acid 1.0N, 60 mL Starch Acid Powder, 10 grams
Magnesium Chloride Reagent, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $27.99
Sale Price: $24.99
Savings: $3.00
9 in stock!
Sulfuric Acid 1.0N, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $29.99
Sale Price: $24.99
Savings: $5.00
37 in stock!
Starch Acid Powder, 10 grams
Usually Ships in 1 to 2 Business Days
Our Price: $29.99
Sale Price: $24.99
Savings: $5.00
17 in stock!
(1)
MG2045-B: Magnesium Chloride Reagent, 60 mL SA1625-B: Sulfuric Acid 1.0N, 60 mL ST5205-H: Starch Acid Powder, 10 grams
Molybdenum Buffer, 60 mL Molybdenum Titrating Solution, 60 mL Trace Hardness Titrant Low
Molybdenum Buffer, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $24.99
Sale Price: $24.99
19 in stock!
Molybdenum Titrating Solution, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $34.99
Sale Price: $24.99
Savings: $10.00
20 in stock!
Trace Hardness Titrant Low, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $26.99
Sale Price: $24.99
Savings: $2.00
12 in stock!
(1)
MO1525-B: Molybdenum Buffer, 60 mL MO1546-B: Molybdenum Titrating Solution, 60 mL ED2064-B: Trace Hardness Titrant Low, 60 mL
Sodium Thiosulfate 0.0365N, 60 mL Starch Indicator Solution 1%, 60 mL Sulfuric Acid 50%, 30 mL
Sodium Thiosulfate 0.0365N, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $27.99
Sale Price: $24.99
Savings: $3.00
20 in stock!
(1)
Starch Indicator Solution 1%, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $26.99
Sale Price: $24.99
Savings: $2.00
12 in stock!
Sulfuric Acid 50%, 30 mL
Usually Ships in 1 to 2 Business Days
Our Price: $26.99
Sale Price: $24.99
Savings: $2.00
10 in stock!
ST2705-B: Sodium Thiosulfate 0.0365N, 60 mL ST5010-B: Starch Indicator Solution 1%, 60 mL SA1940-A: Sulfuric Acid 50%, 30 mL
Sodium Thiosulfate Solution, 60mL Starch Indicator Solution 0.5%, 30mL Citric Acid Solution, 30mL
Sodium Thiosulfate Solution, 60mL
Usually Ships in 1 to 2 Business Days
Our Price: $26.99
Sale Price: $24.99
Savings: $2.00
26 in stock!
Starch Indicator Solution 0.5%, 30mL
Usually Ships in 1 to 2 Business Days
Our Price: $26.99
Sale Price: $24.99
Savings: $2.00
23 in stock!
Citric Acid Solution, 30mL
Usually Ships in 1 to 2 Business Days
Our Price: $26.99
Sale Price: $24.99
Savings: $2.00
18 in stock!
ST2775-B: Sodium Thiosulfate Solution, 60mL ST5005-A: Starch Indicator Solution 0.5%, 30mL CA3002-A: Citric Acid Solution, 30mL
Total Alkalinity Indicator Hardness Titrant High, 60 mL Sodium Hydroxide 10.0N
Total Alkalinity Indicator, 30 mL
Usually Ships in 1 to 2 Business Days
Our Price: $26.99
Sale Price: $24.99
Savings: $2.00
7 in stock!
(2)
Hardness Titrant High, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $26.99
Sale Price: $24.99
Savings: $2.00
49 in stock!
(2)
Sodium Hydroxide 10.0N, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $26.99
Sale Price: $24.99
Savings: $2.00
8 in stock!
AI6925-A: Total Alkalinity Indicator, 30 mL ED2070-B: Hardness Titrant High, 60 mL SH6325-B: Sodium Hydroxide 10.0N
Total Alkalinity Indicator Solution - 1 oz Sulfuric Acid 0.5N, 30 mL Potassium Chromate Indicator, 60 mL
Total Alkalinity Indicator Solution - 1 oz
Usually Ships in 2 to 3 Business Days
Our Price: $27.99
Sale Price: $24.99
Savings: $3.00
8 in stock!
Sulfuric Acid 0.5N, 30 mL
Usually Ships in 1 to 2 Business Days
Our Price: $26.99
Sale Price: $24.99
Savings: $2.00
9 in stock!
Potassium Chromate Indicator, 60 mL
Usually Ships in 1 to 2 Business Days
Our Price: $28.99
Sale Price: $24.99
Savings: $4.00
17 in stock!
(1)
Total Alkalinity Indicator Solution - 1 oz
SA1590-A: Sulfuric Acid 0.5N, 30 mL PC8025-B: Potassium Chromate Indicator, 60 mL