Can this be set as a 10 gallon sprayer?

You would need to know the ratio of product to gallons based on the chemical manufacturer's instructions. For example, 1 Tablespoon = 1 gallon. You would put 10 Tablespoons of product in the sprayer, fill the sprayer to the 10 gallon line and mix well before starting to spray. If you have any other questions about this sprayer that we can help with, please give our technical Customer Service Team a call at 800-950-4458 and they will be happy to assist you. Thank you for your question and for your interest in Chapin Sprayers.

what is the highest level of concentration? I would like to mix a 10-to1 ratio of water to bleach.

You might be better off with a sprayer that has a mixing dial. You cannot vary the mix on this sprayer.

So, if I'm using a product that calls for a ratio of 3 oz./gal., how much product do I put in this thing? I am math challenged, obviously :-(

A gallon is 128 ounces. A quart is 32 ounces. There are 4 quarts in a gallon. If you are saying your bottle sprayer is 32 ounces then I would presume you would need to divide the 3 oz by 4 which is 0.75 ounces. If you have a shot glass most shot glasses are Close to 1 ounce. So you would need to do a shot glass and fill it 3/4 of the way up with your product per usage. At least that is how I calculate it and what I would do.

Can this be used with granular fertilizer?

Hi. The Chapin G390: “Lawn Hose End Sprayer for Fertilizer” can be used with liquid or powder products. When using powders, be sure to mix the solution thoroughly before spraying to avoid clogging. If you have any further questions you can also reach our Technical Support team at 1-800-444-3140 option 1. Thank you for your question.

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CHAPIN G390 32-Oz Hose-End Sprayer for Water-Soluble Fertilizer

Product ID: 22379904

Details

Brand
CHAPIN
Color
Translucent
Material
Plastic
Recommended Uses For Product
Pest Control
Tank Volume
32 fluid

💧32-oz chemical-resistant tank

🔄Sprays up to 20 gallons per fill

🚿Universal hose fit + quick-connect option

€ 40.14

Duties & taxes included

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Description

🌿 Spray Smart, Grow Strong: The Pro’s Choice for Effortless Lawn Care

SAFETY FIRST ALWAYS - Built-in anti-siphon valve protects your water supply from chemical backflow—peace of mind guaranteed.
PRECISION SPRAY CONTROL - Fingertip on/off control lets you start and stop spraying instantly without breaking your workflow.
SEAMLESS HOSE COMPATIBILITY - Universal hose attachment plus optional quick-connect for effortless nozzle swaps on the fly.
MAXIMIZE LAWN CARE EFFICIENCY - Spray up to 20 gallons per fill with a 32-oz concentrate tank—less refilling, more doing.
PROUDLY USA MADE WITH LIFETIME SUPPORT - Expertly crafted in the USA, backed by a lifetime limited warranty and dedicated customer service.

The CHAPIN G390 Hose-End Sprayer features a durable 32-ounce chemical-resistant tank that mixes and sprays up to 20 gallons of water-soluble fertilizer or pesticides per fill. It fits any standard garden hose with an optional quick-connect for fast nozzle changes, offers fingertip on/off control for precise application, and includes a built-in anti-siphon valve to protect your water supply. Made in the USA with a lifetime limited warranty, it’s designed for professional-grade lawn and garden care with ease and safety.

Specifications

ASIN	B00UER1SKK
Best Sellers Rank	#2,731 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #21 in Lawn & Garden Sprayers
Brand	CHAPIN
Brand Name	CHAPIN
Color	Translucent White
Customer Reviews	4.0 out of 5 stars 4,837 Reviews
Global Trade Identification Number	00023883000035
Hose Length	1.5 meters
Included Components	Instruction Guide, Nozzle
Item Dimensions W x H	4.2"W x 8.3"H
Item Type Name	Lawn Hose End Sprayer For Fertilizer
Item Weight	4.8 ounces
Manufacturer	Chapin International
Manufacturer Part Number	G390
Material	Plastic
Material Type	Plastic
Model Name	G390
Model Number	G390
Number of Items	1
Power Source	manual
Recommended Uses For Product	Pest Control, Watering, Weed Control
Style Name	Handheld
Tank Volume	32 fluid ounces
UPC	023883000035
Unit Count	1 Count

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