Hoshi Koi
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Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Hoshi Koi, Fish Farm, 5002 44th Street E, Puyallup, WA.
At Hoshi Koi, we are dedicated to providing the finest selection of Japanese and domestic koi fish, along with a wide range of aquatic plants and pond supplies.
06/07/2026
** She has been pick up!**
🚨 BREAKING NEWS AT HOSHI KOI 🚨
We have a temporary employee on site today, but they seem to be sleeping on the job... and they don't actually work here. 😴🧸
This little adventurer was left behind at the shop recently. We’ve given them a tour of the koi ponds, showed them the filters, and fed them some coffee, but they are desperately missing their tiny human.
If this is your child's best friend, please send us a DM! We are currently holding them hostage with a strict regimen of premium fish-gazing and snacks. Help us reunite this duo! 🐟✨
Hey local friends! Hoshi Koi is growing, and our weeds are trying to keep up. 🌿😅 We’re looking for a dependable landscaper to help maintain our shop/house grounds on a biweekly or monthly basis.
If you have a local landscaping business (or can highly recommend one), let us know! Must be comfortable working around active koi ponds and keeping things clean and safe for our fish.
Drop your links/recommendations below or shoot us a message. Thanks in advance!
The power of a new bulb! 💡 The UV light went out on our round pond, and it didn't take long for the water to turn.
The Science: Most people think UV filters 'kill' algae, but they actually work by disrupting the algae's DNA. This stops them from reproducing and causes the microscopic cells to clump together (flocculate) so the filter can finally catch them.
If your pond is looking green, check your bulb—they usually need to be replaced every season even if they are still 'glowing,' as they lose their effective UVC strength over time!
Why UV is Important for Your Pond
A UV (Ultraviolet) clarifier is essentially the "immune system" of your pond. Without it, nutrients from fish waste and decaying plant matter provide a feast for microscopic organisms. When a bulb goes out, these organisms multiply unchecked, leading to the "terrible" look you experienced—usually pea-soup green water.
What the UV Light Actually Does
The process is called UV Sterilization (or Clarification), and it works through three main stages:
1. Exposure to UVC Radiation
As pond water is pumped through the UV housing, it passes closely around a quartz sleeve containing the UV bulb. This bulb emits high-intensity light in the UVC spectrum (specifically around 254 nanometers).
2. Destabilizing Algae DNA
The primary target in most ponds is planktonic algae (single-celled green algae). When these microscopic cells are hit by the UVC light, the radiation penetrates their cell walls and damages their DNA. This doesn't kill them instantly, but it prevents them from being able to reproduce.
3. Flocculation (The "Clumping" Effect)
Once the algae can no longer reproduce and their cell structure is damaged, they begin to die off and clump together. This process is called flocculation. Because the cells are now in larger clumps rather than individual microscopic particles, your mechanical filter (like a skimmer or pressurized filter) can finally trap them and remove them from the water.
Yeah..... prepped earlier this week but not enough, today sucked!! All fishes are safe and secure. Hopefully it doesn't continue to come up. We'll keep you guys posted!
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Address
5002 44th Street E
Puyallup, WA
98443
Opening Hours
| Thursday | 10am - 5pm |
| Friday | 10am - 5pm |
| Saturday | 10am - 5pm |
| Sunday | 10am - 5pm |