Will this product kill fungus spores? Is it corrosive to metal, would it be good to use on a lawn mower?

Eileen,I used Physan 20 to kill fungus & mold in my landscaping this year. It worked. I now use Physan 20 once a month as routine maintenance, per the instructions. I don't have the instructions in front of me, but there is a mixture that they recommend for cleaning tools and it is used on farm equipment, so I'm thinking it would be fine for your mower, as long as you didn't wet the engine or air filter. I only use a few tablespoons per application, and still haven't made a dent in the bottle this year. Nothing else worked for me. Hope you have success!

Can i use this for cleaning the roots of my lucky bamboo plant? It is a submerged plant and is growing algae in the roots.

You can definitely use it on your bamboo plant Courtney! Just be sure to apply the correct amount and change the water the plant is in more often. The algae will surely stop.

How do I use this for a tomato plant I have?

There should be instructions on label. You have to mix appropriate amount with water and spray your plant. Since it edible spray few weeks before harvest I would say.

How is this used for my ivy plant? Just spray over the leaves?

Make sure you are well covered and down wind. You can spray it all over the plant.

Physan Pspta20 Algaecide Fungicide Bactericide Virucide 16 Ounce

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Description

🛡️ Defend your plants like a pro — because thriving greenery is the new status symbol!

PLANT HEALTH REVIVAL - Supports recovery from root rot & mysterious plant ailments with ease
VERSATILE APPLICATION - Perfect for greenhouses, fountains, pots, turf, and delicate ornamentals
EPA APPROVED TRUSTED - Backed by EPA approval for safe, effective use on hard surfaces & plants
ALL IN ONE PLANT PROTECTOR - Fights algae, fungi, bacteria & viruses with one powerful formula
LONG LASTING ALGAE CONTROL - Keeps algae growth at bay for months, reducing cleaning frequency

Physan PSPTA20 is a 16-ounce EPA-approved liquid concentrate that acts as a broad-spectrum algaecide, fungicide, bactericide, and virucide. Designed for non-porous surfaces and a wide range of plants including orchids and ornamentals, it effectively controls disease-causing pathogens on hard surfaces, greenhouses, pots, and turf. Trusted by plant enthusiasts for its versatile use and long-lasting protection, Physan 20 helps maintain healthy, vibrant plants while preventing the spread of infections.

Specifications

ASIN	B000I2UTAQ
Best Sellers Rank	#24,651 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #796 in Garden Fertilizers
Brand	Hydrofarm
Brand Name	Hydrofarm
Coverage	Non-selective broad spectrum coverage
Customer Reviews	4.7 out of 5 stars 1,243 Reviews
Global Trade Identification Number	00722540001018
Item Form	Liquid
Item Type Name	fertilizers
Item Weight	0.27 Kilograms
Liquid Volume	473.39 Milliliters
Manufacturer	Hydrofarm
Model Number	PSPTA20
Part Number	GL56749202
UPC	722540001018
Unit Count	1.0 Count

Reviews

S**L

19.03.2026

I**E

27.10.2023

L**S

17.04.2026

H**R

2.01.2026

G**F

26.04.2023

L**T

4.12.2025

B**R

4.11.2025

D**A

24.01.2026

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