When adding new fish or changing water do I have to use the entire 5ml/10gallon rule ?

I would do it if it were me. Most fish come from pet stores that are severly overstocked and under maintained so they are already stressed when you bring them home. Add to that the fact that they are being moved for the umpteeth time and they can use all the help they can get. I will say that I do use half doses when I move my fish from one tank to another only because they tanks are well maintained and the water parameters are pretty much the same so the fish are less stressed. Other people may have different opinions but this is my process and it works for me. I have four tanks. I have a 125, 90, 55 and a 40. I have been in the hobby for over 15 years. I also keep two aquatic turtles as well. Hope this helps.

any views on this product versus API's stresscoat?

Different products, API is a water conditioner, stressguard is an antiseptic for open wounds, cuts. I used StressGuard occasionally and API on water changes.

Do you have to remove purigen from your filter

No. Generally Seachem products are safe to use with other Seachem products. Normal filters, nor purigen filters have to be removed when using Stress Guard. It's perfectly safe.

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StressGuard Slime Coat Protection - Stress and Toxic Ammonia Reducer 500 ml

Product ID: 3983083

Details

Brand
Seachem
Item Form
Liquid
Item Weight
1.2 pounds
Liquid Volume
500 ml
Unit Count
16.9 Fluid

🐟reduces fish stress & ammonia toxicity

🧪pH neutral (7.0) for reef-safe use

🩹promotes wound healing & infection prevention

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Description

🐠 Protect, Heal, and Thrive — Because Your Fish Deserve VIP Treatment!

TARGETED HEALING POWER - Active colloidal agents bind to wounds and abrasions, accelerating healing and minimizing infection risks.
STRESS LESS THRIVE MORE - Instantly reduces fish stress during handling and transport, ensuring your aquatic friends stay calm and healthy.
REEF PLANT SAFE FORMULA - pH neutral at 7.0, perfect for sensitive reef and planted aquariums without disrupting delicate ecosystems.
EASY DOSING MAXIMUM IMPACT - Use 2.5–5 mL per 40L daily, with safe double dosing for rapid recovery—because your fish deserve the best care.
TRUSTED SCIENCE PROVEN RESULTS - Backed by 30+ years of Seachem expertise and a 4.8-star rating from over 4,000 aquarists worldwide.

Seachem StressGuard is a premium aquarium conditioner designed to reduce fish stress and ammonia toxicity while promoting wound healing. Its pH-neutral formula ensures safe use in reef and planted tanks, making it a trusted choice for aquarists seeking effective, science-backed fish care solutions.

Specifications

ASIN	B001F0KX06
ASIN	B001F0KX06
Allergen Information	Gluten Free
Best Sellers Rank	#5,580 in Pet Supplies ( See Top 100 in Pet Supplies ) #33 in Aquarium Water Treatments
Brand Name	Seachem
Customer Reviews	4.8 4.8 out of 5 stars (4,121)
Date First Available	June 15, 2004
Department	Unisex-Adult
Global Trade Identification Number	00000116052306
Included Components	Seachem StressGuard 500ml
Item Form	Liquid
Item Type Name	Aquarium conditioner
Item Weight	1.2 pounds
Item model number	523
Liquid Volume	500 ml
Manufacturer	Seachem Laboratories, Inc.
Manufacturer	Seachem Laboratories, Inc.
Manufacturer Part Number	523
Model Number	523
Pet Type	Fish
Product Dimensions	6.6 x 2.4 x 2.3 inches; 1.15 pounds
Target Species	Fish
UPC	000116052306
Unit Count	16.9 Fluid Ounces

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39810CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

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