How would you measure this? I only have one plant that I would need to use it for right now. I wanted to soak bark in it for one normal sized Phal plant. 1 ml per 10 gallons of water? I wouldn't use anywhere near 10 gallons! So how am I supposed to measure THAT? Maybe it's way too concentrated to attempt using.

An easy way to measure out 1 ml/10 gal or 1/10 (.1) ml/gal is to use an eye dropper. Using water, find out how many drops are in 1 ml. Then divide by 10.But if I may ask, why are you using Physan 20 (P20) on your plant? Plant roots do not like P20. I have tried P20 in a hydroponic system and the evidence was very clear, the roots don't like it. If you have Pythian or some other fungus, Actinovate Fungicide works great. It is a bit pricey but worth it. For algae use an algaecide.

Can this be used to sanitize ro water purifiers? seems to have the same ingredients as the sani-system sachets.

I am not sure I use it in my outside fountain to keep it clear.

Does Physan need to be kept cool? Mine was accidentally left out in the hot sun for a few days. I’m hoping it hasn’t lost its disinfecting power.

I have left my bottle out in the Arizona temperature and it never seems to have effected the product.

Is Physan 20 the same thing as Physan 20 Fungicide? As a first time buyer of Physan 20, I'm a bit confused the various sellers naming inconsistencies.

Yes, Physan 20 is a fungicide. I use it to prevent algae. I suppose some sellers are just more descriptive with their titles than others. However, they are the same.

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Physan 20 Broad Range Disinfectant, 8-Ounce

Physan 20 Broad Range Disinfectant, 8-Ounce

Product ID: 8684899

Details

Brand
Maril Products
Item Form
Liquid Spray
Material Feature
Biodegradable
Scent
Fresh
Specific Uses For Product
All Purpose

🌿EPA-approved plant-safe

🧴8 fl oz versatile liquid

♻️Biodegradable & eco-friendly

€ 36.11

Duties & taxes included

In stock

Sold byAmazon SpainDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌱 Protect your plants like a pro—disinfect with confidence and care!

FRESH PLEASANT - Enjoy a fresh scent that won’t overpower your space or leave unpleasant odors behind.
ECO CONSCIOUS CLEAN - Biodegradable and environmentally friendly—clean with confidence and care for the planet.
BROAD SPECTRUM POWER - Kills a wide range of pathogens to safeguard your plants and environment effectively.
HOSPITAL GRADE ASSURANCE - Trusted hospital-grade disinfectant quality for professional-level plant and surface care.
PLANT FRIENDLY PROTECTION - EPA-approved formula safe for direct use on plants—keep your garden thriving without compromise.

Physan 20 Broad Range Disinfectant is an 8-ounce, EPA-approved, biodegradable liquid designed for direct use on plants. It offers broad-spectrum pathogen control with a fresh scent and hospital-grade efficacy, making it an essential eco-friendly solution for gardeners seeking professional-level plant protection.

Specifications

ASIN	B000OWLD8C
Best Sellers Rank	#156,979 in Health & Household ( See Top 100 in Health & Household ) #160 in Disinfectant Sprays & Liquids
Brand Name	Maril Products
Customer Reviews	4.6 4.6 out of 5 stars (476)
Item Form	Liquid,Spray
Item Volume	8 fluid ounces
Item Weight	0.27 kg
Manufacturer	Hydrofarm
Material Features	Biodegradable
Model Number	PSPH8
Number of Items	1
Part Number	PSPH8
Scent	Fresh
Size	1 Count (Pack of 1)
Special Features	Hospital Grade
Specific Uses For Product	All Purpose
UPC	722540001070
Unit Count	1 Count

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