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About this product
Product Identifiers
BrandHydrofarm
MPNPSPH20
UPC0722540001032
eBay Product ID (ePID)1901528732
Product Key Features
Area of UseGarden, Lawn
Pest TypeFungi, Bacteria
Indoor/OutdoorIndoor & Outdoor
EPA Registration Number55364-5
Number in Pack1
TypeDisinfectant
Ratings and reviews
Most relevant reviews
- 01 Jun, 2021
Orchid Care
Phyasn 20 is part of my orchid care kit. During repotting, a short soak of clean epiphytic orchid roots in a weak solution of one and a half teaspoon per gallon water eliminates pathogens. A full strength solution of one Tablespoon per gallon prevents algae growth in humidity trays and disinfects tools and used pots. A gallon of Physan 20 goes a long way.Verified purchase: YesCondition: New
- 21 Jun, 2016
Absolutely necessary for greenhouses
I use lots of this as an algaecide, general disinfectant and fungus preventive in my greenhouses. I use rainwater for watering and treat my storage tanks with it. The gallon size makes this product much or affordable.Verified purchase: YesCondition: New
- 21 Dec, 2020
Great concentrated value!!
It would be a violation of federal law to use this product for any off label use. That out of the way. The active compounds in Physan 20 are found in many products. Common sense and research and further dilution. Can reveal other useful products containing them.Verified purchase: YesCondition: New
- 10 May, 2018
Great Product for algae control
This product works great on algae that had been growing in my plant containers. A small amount got rid of the algae- makes my life simpler so I don’t have to wash my reservoirs.Verified purchase: YesCondition: New
- 22 Jul, 2018
Great stuff
read the label its good stuff, can be used in a fogger. Should keep this stuff on hand to clean tools.Verified purchase: YesCondition: New
- 29 Jun, 2021
Physan 20 for the win
Haven’t had for long but soaked my hydroponic supplies in the physan to kill any unseen nasties. So far so good. A little goes a long way so I should be good for a while since I purchased the gallon.Verified purchase: YesCondition: New
- 17 Sep, 2019
Phusan 20. 1 gallon
Great stuff, used it this whole summer did its job. I would recommend this product. Used it for my 3 tier water fountainVerified purchase: YesCondition: New
- 28 Sep, 2016
Vedry Satisfied
This product is great for what is was developed for. Best value for your money. I am glad they offered this way. Thank you.Verified purchase: YesCondition: New
- 25 Jun, 2019
Great moss killer, and also treats roof algae.
Great moss killer, and also treats roof algae.Verified purchase: YesCondition: New
- 21 Apr, 2020
Good cleaner
This stuf works great. And it smells better than cloroxVerified purchase: YesCondition: New
