Can you refill the garden hose bottles with the concentrate? I’m just trying avoid buying multiple garden house bottles (64oz model)?

No you can not. The spray bottles mentioned at the bottom and tiny text that they are not refillable. I tried and the internal hose broke off immediately. Also the concentrate is not as strong as what comes in these bottles. It's unfortunate because each of these bottles can sometimes run up to $20 each, and they only cover about 200 ft² of porous concrete. That being said, it does work well just need a more affordable option.

Will the run off rinse water kill the grass, or plants in the be where some water may run into the dirt?

I didn't have any problems with my grass or the flower bed below the front porch railing that I cleaned. I sprayed off the product with a good amount of water from my hose.

I have a rock yard, no grass, but I get some algea or something, will this kill that?

No, 30 SECONDS Outdoor Cleaner is made to safely remove stains from Algae, Mold & Mildew on most all outdoor surfaces. 30 SECONDS Spray & Walk Away is the best choice when looking to KILL Lichen, Moss, Mold and Algae, especially on those large surface areas where rinsing is a hasslehttps://30secondscleaners.com/spray-walk-away-hose-end-64oz .

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Outdoor Cleaner | Cleans Moss Stains from House, Vinyl Siding, Deck, Patio, Fence - 3 Capped Bottles, 1 Hose End Spray Attachment (64 Fl Oz (Pack of 3)

Product ID: 119118534

Details

Brand
30 SECONDS
Global Trade Identification Number
Item Form
Spray
Item Weight
4 pounds
Liquid Volume
192 fluid

🌿Safe for lawn & plants

🧴3-pack with hose-end sprayer

⏱️Cleans stains in 30 seconds

784.49 DT

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

✨ Transform your outdoors in 30 seconds flat! ⏱️

BULK VALUE PACK - Three 64 oz bottles cover up to 900 sq ft combined—keep your outdoor spaces pristine all season long.
ECO FRIENDLY POWER - Formulated to protect your lawn, trees, and shrubs while delivering a deep clean.
RAPID STAIN ERASER - Blast away moss, algae, and mildew stains in just 30 seconds—no scrubbing needed.
EFFORTLESS APPLICATION - Attach the included hose-end sprayer and switch on/off without disconnecting—clean smarter, not harder.
VERSATILE SURFACE SAVIOR - Perfect for vinyl siding, decks, patios, fences, concrete, and more—one cleaner for all your outdoor needs.

30 Seconds Outdoor Cleaner is a powerful, fast-acting solution designed to remove moss, algae, mold, and mildew stains from a variety of outdoor surfaces. This 3-pack includes three 64 oz bottles and a convenient hose-end sprayer for easy application. Safe for plants and landscaping when used as directed, it covers up to 900 square feet, making it an efficient and eco-conscious choice for maintaining clean, vibrant exteriors without the hassle of pressure washing.

Specifications

ASIN	B07L6YC9W8
Best Sellers Rank	#590 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1 in Moss Control
Brand	30 SECONDS
Brand Name	30 SECONDS
Coverage	900 square feet
Customer Reviews	4.1 out of 5 stars 9,850 Reviews
Global Trade Identification Number	10040235754801
Included Components	3 Refill Bottles, 1 Hose End Sprayer Attachement
Item Form	Spray
Item Type Name	Outdoor Cleaner
Item Weight	4 pounds
Liquid Volume	192 fluid ounces
Manufacturer	30 Seconds Cleaners
Model Number	6430S 3PA
Number of Packs	3
Part Number	6430S 3PA
Unit Count	192 Ounce

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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784.49 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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