FritzPro Concentrated Chlorine Remover is a pH-buffered, sodium thiosulfate-based solution designed to immediately and safely remove chlorine and chloramine from tap water.
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FritzPro Concentrated Chlorine Remover is a pH-buffered, sodium thiosulfate-based solution designed to immediately and safely remove chlorine and chloramine from tap water.

Safe for all systems and livestock: freshwater, saltwater, planted, reef, and aquaculture.

Economical and simple for service professionals and large-scale aquatic systems.

Works instantly to make tap water safe for aquatic life.
Add 1 teaspoon (5 ml) per 150 gallons (567 L).
1 fl oz treats 1,000 gallons.
For smaller volumes, use 1-2 drops per gallon.
This dosage will remove 1 ppm chlorine. For water with higher levels of chlorine and chloramine, increase dosage accordingly.
For the most accurate dosing, use the total water volume of your entire system — including sumps — less any displacement from substrate, rocks, and decorations. Note that some imperial measurements are rounded to the nearest common measure for ease of use.
FritzGuard | Rescue A.C.C.R | Complete | |
|---|---|---|---|
Dosage | 5 mL per 10 gal | 5 mL per 10 gal | 5 mL per 50 gal |
Detoxifies Chlorine & Choramine | |||
Detoxifies Heavy Metals | |||
Contains Aloe & Vitamine E | |||
Detoxifies Ammonia | |||
Detoxifies Nitrite | |||
Detoxifies Nitrate | |||
Does not alter pH | |||
No Skimmer Overactivation | |||
Active Ingredient | Sodium thiosulfate | Sodium formaldehyde bisulfate | Sodium formaldehyde sulfoxylate |
Treated water can be added to the aquarium immediately after mixing with Concentrated Chlorine Remover.
Yes, See list for Fritz water conditioners compatible with Ich-X:
• FritzGuard - SAFE; this is a thiosulfate conditioner and won't affect the medication
• Fritz Concentratred Chlorine Remover - SAFE; this is a thiosulfate conditioner and won't affect the medication
Yes
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| Item # | Size | Treats up to | Case QTY | UPC |
|---|---|---|---|---|
| 75097016 | 16 oz | 16,000 gallons | 12 | 080531970164 |
| 75097128 | 1 gallon | 128,000 | 4 | 080531971284 |
| 75097640 | 5 gallons | 640,000 | 1 | 080531976401 |