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Harkers 3 in 1 Soluble 100ml

Item Number: HARK3IN1S

Sale Harkers 3 in 1 Soluble 100ml

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Harkers 3 in 1 Soluble 100ml
Harkers 3 in 1 Soluble is perfect for fanciers who do not wish to treat birds individually with a tablet. It is advisable to treat parent stock before breeding and young birds after weaning.

Contains Amprolium hydrochloride 3.8% w/v (38 mg/ml);  Levamisole hydrochloride 1.7% w/v (17mg/ml); Ronidazole 1.2% w/v (12 mg/ml).

For oral administration. Dilute 6.0ml (1 capful) Harkers 3 in 1 Soluble in 1 litre drinking water. Offer the diluted solution to the birds daily for a 7 day period.
Always make a fresh solution daily.
Do not allow the birds to drink from any other source.
Precautionary worming is advised 3 weeks before the start of breeding.

For administration to homing, racing and show pigeons for the following conditions:  treatment and control of coccidiosis caused by Eimeria labbeana and Eimeria columbarum; treatment of hairworm and roundworm infections; therapeutic and routine treatment of canker (trichomoniasis) caused by Trichomonas coloumbae.

Do not use in pigeons under two months of age. 
Do not use during the moulting season. 
Do not use during the hatching period.
Do not administer with drugs that may cause vomiting.

Do not store above 25°C. Store in a dark place.
Ensure the bottle is tightly closed during storage.
Keep out of reach of children.
Dispose of unused product and packaging into the domestic refuse.

This product will oxidise (go red and creamy) if not secured properly.


Shipping charges mainland UK zone1

ValueWeightDelivery Charge
Over £49.00Any WeightFREE
Under £49.00No weight limit£4.50
Under £49.00Under 250g£2.99

Most orders are despatched the same day and standard delivery is 3 to 5 working days from despatch. FAST Expedited options are available.

NB: Orders placed with faster delivery must be placed before 13:00 to ensure same day dispatch (excluding weekends and bank holidays). Please also check on the product page that the items ordered show 'In Stock' otherwise your order will be delayed until the stock becomes available, which in most cases will only be 24hrs.

Estimated "Usually shipped in" information is shown against most products

Overseas orders

Postage outside of the UK is from £4.50

Prescription Items

Prescription items will be sent on receipt of a valid signed and dated prescription.

Pick up

We offer a pickup service for orders placed over the phone.

Please ring us on 01833 641112 for more information.

Refrigerated Items

Refrigerated items will be sent by carrier or Royal Mail with coolpacks unless you pay for a premium for a refrigerated delivery. We will contact you prior to despatch for your instructions.


We want you to be completely satisfied with any purchase. If not any item* can be returned to us within 14 days of receipt for exchange or refund Please give us a ring for a returns number on 01833 641112 or alternatively email [email protected] to obtain a returns number.

*Due to legal requirements medicines may not be returned except to correct an error in despatch or in response to an "official recall". If an item is believed to be faulty it should be returned for inspection and it may be necessary to forward it to the manufacturers for testing before replacements or refunds can be authorised. This does not infringe legal rights. Please contact our customer services for a "Returns Number" which must appear on the outside of the package or it will not be accepted. We advise customers to use an insured method of shipping and to retain proof of despatch. We may refuse returns on products specially obtained or manufactured to order. Items must be returned unsoiled and unused and sent adequately packed and carriage paid.

Frequently Asked Questions

Is this safe for chickens?

No, this is for pigeon use only. 

Can I use this with garlic

You are not advised to mix medicines with anything else. We suggest you stop using the garlic when using the 3 in 1. 

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Reviewed by: Terry Brickel

Reviewed on: 26 February 2020

Product Variant: HARK3IN1S


Easy to use saves a lot of time not having to treat for each treatment at a time.

Reviewed by: Keith & Lynda Howie

Reviewed on: 28 March 2019

Product Variant: HARK3IN1S


Very convenient and good for treatment of large numbers of birds

Reviewed by: Keith & Lynda Howie

Reviewed on: 30 June 2017

Product Variant: HARK3IN1S


as I said great range of products. I have a loft of fancy pigeons at one of my yards. One stop shop!

Reviewed by: Philip Titterington

Reviewed on: 17 January 2017

Product Variant: HARK3IN1S



Reviewed on: 13 July 2016

Product Variant: HARK3IN1S

Show More Reviews (9) Show Fewer Reviews (9)

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