SKU: 501469722

NT Labs Koi Care Malachite 250ml Pond Medication

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Description

NT Labs Koi Care Malachite 250ml Pond MedicationWhen to use? When fish have white growths on the body, head or fins, which may contain some green or brown discolouration. Malachite can be used in conjunction with Formaldehyde to treat fungal infections more effectively. How to use? Test your water quality using NT Labs Test Kits. Mix the appropriate dosage in a clean bucket of pond water, pour evenly over the surface of the pond and leave for 7 days. Switch off UV filtration until treatment has

When to use?
When fish have white growths on the body, head or fins, which may contain some green or brown discolouration. Malachite can be used in conjunction with Formaldehyde to treat fungal infections more effectively.

How to use?

  • Test your water quality using NT Labs Test Kits.
  • Mix the appropriate dosage in a clean bucket of pond water, pour evenly over the surface of the pond and leave for 7 days. Switch off UV filtration until treatment has been completed. Aerate the pond well during treatment.
  • If you feel a repeat dose is necessary, check your diagnosis carefully using the Diagnosis Tool; a different medication may be more suitable. Allow 7 days and perform a partial water change before re-treating or treating with a different medication.
  • Always treat when you have time to observe fish and take appropriate action in the unlikely event of a bad reaction.
  • If required, mix with Formaldehyde prior to adding to the pond, following the instructions above.

Warning:
Do not use with orfe, rudd, tench or sturgeon/sterlet.
Do not use if the water temperature is above 30°C.
Do not use in hot, humid, thundery conditions.
Do not mix medications, other than combining with Koi Care Formaldehyde.

FAQs:
Q: How do I mix Formaldehyde & Malachite Green? A: If you are going to use these 2 products together then simply follow the instructions for each individual product, there is no need to adjust the dosage or to pre-mix the 2 treatments, you can simply apply one product followed by the other at the dosage on the instructions.



Specifications
Composition
Active Ingredients: Malachite Green 1.0% w/v

Please note the warnings on the label and handle the product with care.

250 ml treats 20,000 litres (4400 gallons)

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SKU: 501469722

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Rory Rotten
Chelsea, US
★★★★★ 5
Effective dermaplaning wands
These razors work really well for removing my peach fuzz. I have a fuzzy chin and hair on my knuckles that’s hard to get off with a larger razor. These come in two sizes for precision dermaplaning. I apply some jojoba oil to my skin before dermaplaning and there is no irritation. I love the frosty translucent handles, they look clean and professional. There are twelve to a pack and they come in a little box to keep them all together. These are a great value for the quality.
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Reviewed in the United States on October 14, 2025
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Brandy
Dallas, US
★★★★★ 5
Fast & Easy
These work really good. I have been waxing for over 20 years and I just wanted to try something new. This set comes with two different sizes. I used the large blade for my chin and lip. And the smaller blade for my eyebrows. The handle is sturdy and not flimsy. Comes with a case. I already stuck one of each in my travel bag!
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Reviewed in the United States on October 15, 2025
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Vic
Dallas, US
★★★★★ 4
work well + good value for the pack
Finally got a chance to try these recently. They're exactly like the ones I already had, that I paid a little more for. I think these are a good value and work pretty well - not as well as the better beauty store razors, but better than like dollar tree or something. I like the size of the handle. I consider them disposable, especially if you're using with a hair identifying powder spray or oil.
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Reviewed in the United States on October 29, 2025
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CC
Lowell, US
★★★★★ 3
A Year of Easy Smoothness
I love that this set comes with 12 razors, giving me a full year of monthly replacements. The handle feels solid and comfortable to hold, and the different sizes are handy for both facial and eyebrow use. They glide smoothly and exfoliate gently without irritating my skin. My only minor complaint is that the blades aren’t as sharp as I expected, so I have to go over an area a few times to remove all the peach fuzz. Still, for the price and convenience, it’s great value for the money and makes skincare feel fresh and polished.
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Reviewed in the United States on October 16, 2025
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Bethany Smith
Belleville, US
★★★★★ 5
Love that they come in a plastic container
I prefer this brand of razors because they don’t have the line sections on the blade. They are very sharp! Be careful. I love how sharp it is because I don’t need to do double passing on my face, and I can be as light as a feather with it and know it’ll still work. It did not cause any skin irritation, and was great at removing the dead skin cells off the top layer of my face.
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Reviewed in the United States on October 20, 2025

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