My old chickens wont touch the oyster shell that Ive bought. Assume because its so big. Is your grit large?

Our hens are about 18 months old and take a bit of this mixed grit but some of the larger stuff is ignored. We do not seem however to be getting the problems with soft shells that we used to get with our last batch of free range ex-commercial layers. Hope this helps, regards, Rupert

Can this be used on run floor

Yes but it is actually for the hens to eat to help them make calcium for their egg shells. This product seems to consist of small stones with a small amount of crushed sea shells. The stones end up on the floor with the hens only ingesting the sea shells. I will not buy this product again.

I have read it can be used to reduce the acidity of ponds. Do you agree?

Hi regards your question, I know that the contents of the bags have a lot of shells broken into small pieces with the grit. The shells provide Calcium whilst breaking down, so potentially would help to reduce acidity. Charcoal is much better, but perhaps your aware of this ? Regards Peter

Hi is this ok for ducks as well as chickens.

An extract from an article on duck digestion - "Once the food moves through the upper digestive tract, it enters the ventriculus, more commonly known as the gizzard. This thickly muscled organ essentially functions as a duck's "teeth." The ventriculus often contains grit (sand or small stones), which aids in mechanically breaking down large food items." So it looks like ducks will benfit from this grit in their diet. HTH

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JonDo Mixed Poultry Grit 25kg

Product ID: 50112108

🌾100% mixed grit for optimal digestion

🥚Boosts calcium for eggshell strength

⚖️25kg bulk value

VT197315

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Description

🥚 Elevate your flock’s health with grit that means business!

ALL BREED FRIENDLY - Perfectly formulated for all poultry breeds and life stages, ensuring every bird gets the nutrition it needs.
BULK 25 KG POWER PACK - Maximize value and minimize refills with a giant 25kg bag designed for long-lasting use.
CALCIUM RICH FORMULA - Supports stronger, healthier eggshells to keep your flock thriving and your breakfast table impressive.
NATURAL DIGESTION AID - Enhances digestive efficiency with premium mixed grit, promoting overall poultry wellness.
TRUSTED BRAND RELIABILITY - From John Doe, a name poultry professionals trust for consistent quality and performance.

JonDo Mixed Poultry Grit is a 25kg premium granule blend designed to provide essential calcium and aid digestion for all poultry breeds and life stages. Trusted by professionals, this 100% mixed grit supports stronger eggshells and overall bird health, delivering exceptional value in a bulk pack.

Specifications

ASIN	B003ZGAIOY
Batteries Included	No
Batteries required	No
Best Sellers Rank	12,809 in Pet Supplies ( See Top 100 in Pet Supplies ) 146 in Poultry, Pigeon & Game Bird Farming Equipment 253 in Bird Food
Breed Recommendation	All Breed Sizes
Customer Reviews	4.6 4.6 out of 5 stars (918)
Date First Available	6 Aug. 2012
Flavor	Poultry
Item Form	Granule
Item Weight	25 kg
Item model number	1536
Number of Items	1
Pet Life Stage	All Life Stages
Pet Type	Bird, Cat, Dog, Farm Animal, Horse
Quantity	1
Size	25 kg (Pack of 1)
Specific Uses	digestion
Storage Information	Keep Dry

Reviews

J**S

Excellent Product

This is an excellent product and is good value for money. I will be purchasing again.

3.07.2026

J**L

Happy hens

Excellent product

20.12.2025

L**Y

Brilliant value for money

I love this product. I use it as a top mulch for my pots now I no longer have chickens. Couldn’t resist ordering another bag. It goes a long way, excellent value for money, keeps the slugs at bay, lasts a long time & looks really pretty with the bits of shell. My hens loved this too to be fair and we’re always healthy and I never had any crop issues. Great fast and efficient delivery service too. Well done guys.

16.06.2020

J**N

Not fine grit!

The product is great and there's a good amount of shell mixed in but its by no means fine grit.

11.11.2022

C**.

Great value

I love it you can buy in such a big bag. This works out such good value and lasts so long, our girls love it and helps them with such lovely eggs.

29.06.2023

S**Y

Great

Good size, great value, the grit is perfect for my ex battery chickens not too big like I have read in other reviews, will buy again.

8.06.2021

P**S

Great stuff

I love this . Good for the chickens . Some comments that the grit is too large / too small. I don’t understand these comments. My bantams happily lap this up as does my leghorn. Also, great for dressing my cacti and it looks good at the bottom of my aquarium! What’s not to like ? Will definitely be purchasing again.

21.07.2021

B**L

Chicken grit.

This is a handy size. Should keep the chickens happy for a while.

21.05.2025

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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VT197315

Duties & taxes included

In stock

Sold byAmazon VanuatuDelivered 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 Vanuatu.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

View all Trustpilot reviews