Mountain Tree

23/05/2026

Have you ever seen a koi pond like this?! 🤯🐟

We visited this mind-blowing 300,000-liter koi pond in Guiyang city, China. Despite the high stocking density of massive, beautiful koi, the water is crystal clear even after a whole year! ✨

The secret? A top-tier Mountain Tree filtration setup using our Star Filter Brush, Spiral Filter Mat, and Lotus Root Bacteria House. 🌿 Providing the best water for the best koi.

👇 Would you want a viewing window like this in your backyard garden? Let us know in the comments!

21/05/2026

Every single koi is a hard-won treasure. 🐟
Did you know that tens of thousands of eggs are born every season, but only a rare few make it to the end?
It takes day-to-day focus, taking immense risks, and the unwavering perseverance of master breeders to raise the breathtaking koi we see today. Providing a stable, healthy environment gives these fragile lives their best possible start. 💧🌿

Behind every stunning Nishikigoi is a brutal yet beautiful story of survival. Let’s always cherish this living miracle. ✨
👇 Have you ever raised a koi from a tiny fry? Share your experience with us below!

21/05/2026

See you at the 2026 SAKKS Gauteng Koi Show!
Our local dealer will be there with Mountain Tree products!
Come say hi and talk koi, filtration, and water quality with us.😄

You are all invited to the 2026 SAKKS Gautemg koi Show.

Dates: Saturday 30 May 09:00 - 17:00 and Sunday 31 May 09:00 - 14:00.

Venue: Ferndale On Republic, Ferndale, Randburg

All other details are on the poster attached. If you are interested in showing your koi at our show please contact us via [email protected]

We hope to see you all there.

🎌🐠🎌🐠🎌🐠

20/05/2026

Quality isn't measured by size. 🤏✨
When filter space is limited, every millimeter counts. The Mountain Tree Mini Ring is engineered specifically for compact setups where traditional media just won't fit without compromising on biological efficiency.

It’s all about the internal landscape. Our unique interconnected structure provides more space for nitrifying bacteria to colonize deep within the ring, not just on the surface. 🧪🌊

The result? Better nitrification and total water stability, even in the smallest filters.

Stay tuned! In our next post, we’ll show you exactly how these rings "breathe" in the water.

19/05/2026

Mini Ring is the ideal choice for enhancing water quality in compact aquarium setups. ✅

✨With fingernail size, Mini Rings fit really well in hang-on back filters, as well as other small filters.
✨The gear-shaped design gives more surface area, so there's still room for beneficial bacteria to grow.
✨And maintenance is pretty simple — just rinse them gently and reuse. 👌

Small in size, powerful in biological filtration. 💪

18/05/2026

Seeing it in real use by Mountain Tree customers! 😆

With the spawning brush,
eggs are evenly attached
instead of clumping together.

More space
Better oxygen flow
A more stable environment for development

This is how small details
make a difference in hatch success.

Thanks to for sharing this moment 🙌

17/05/2026

Stop the clumping. Save the babies. 🥚🙌
One of the biggest heartbreaks in breeding is seeing a healthy batch of eggs lost to mold because they were too crowded.

Our spawning brushes are designed with "Golden Spacing." By keeping the eggs apart, we ensure that:
1️⃣ No egg is starved of oxygen.
2️⃣ Mold has nowhere to hide.
3️⃣ Cleaning and maintenance are easier than ever.

Higher success starts with better structure. 📈

16/05/2026

Brazilian koi lovers, it’s time to gather! 🇧🇷✨

The 43rd Brazilian Nishikigoi Exhibition will take place on May 16–17, 2026 in São Paulo, SP, Brazil.

Hosted by ABN — the Brazilian Koi Association, and affiliated with ZNA Japan, this exhibition brings together koi breeders, exhibitors, and enthusiasts from across the country to celebrate the beauty of Nishikigoi.

Mountain Tree is proud to support this event as the official sponsor for the winners’ awards.

If you’re nearby, we warmly invite you to visit the show in person and experience the passion of the Brazilian koi community.
If you can’t make it to São Paulo, you can still follow and support the event online through mountaintreebrasil and

See you at the show! 🐟🌿

15/05/2026

Not all eggs make it… and that’s okay 🐟
But mold spreading? That’s something you can control.
A few small steps
remove the bad ones,
keep the water moving,
and give them space to breathe 💧
Sometimes it’s not about doing more,
just doing it right.
Have you ever dealt with moldy eggs before? 👀

14/05/2026

Not breeding koi
doesn’t mean egg-laying won’t happen

Female koi can still carry eggs, and under the right conditions, they may need to release them. In pond systems, this process isn’t always supported naturally
and when overlooked, It can quietly degrade water quality over time. 💧
Understanding these small moments is part of building a stable pond！

13/05/2026

Mountain Tree magic moment ✨🐟
“How do you raise a koi?”
“Easy — just give it the right environment.”
Good water, stable biology, and a little patience.
Sometimes it looks like magic — but it’s really about doing the basics right. 💧🐠
Watch closely… that little koi might surprise you 😉✨

Big thanks to our friends and .golczyk for being part of the video!