Skip to content

Open Tues thru Sat, 10am-5pm • 1250 W Arrow Hwy in Upland,CA (909)920-3767

Mystic Koi & Water Gardens

Koi Fish
Koi Food
Tomigai
jpd
Water Care & Treatments
Hardware
- Air Pumps
  
  Hakko Air Pump
  Matala Air Diffuser Plates
  Air Pump Accessories
- Bottom Drains
  
  Rhino I Bottom Drain
  Rhino II Bottom Drain With Air Diffuser
  Rhino Overflow and Side Wall Returns
  Rhino Retro Bottom Drain
- Ultraviolet (UV) Water Systems
  
  Aqua UV
  Matala UV
  Zapp Pure UV
- Filtration
  
  AlphaOne AquaBead Filter
  AlphaOne 3" Port Mega Filters
  GC Tek Megladon Filter
  Pondkeeper Filter
  PondMax Pressure Filters
  Aqua UV Ultima II Filter
  Savio Living Ponds Waterfall Filter
  EZ-Bio Pre-Filter
  Uniclear Filter
  PoliGlass Bead Polishing Filter
- Filter Media
  
  Matala Filter Sheets
- Pre-Filters
  
  EZ-Bio Pre-Filter
  2" Water Way Leaf Basket
  Aqua Sieve Series PreFilter
- External Pumps
  
  Performance Pro
  Sequence Pumps
- Submersible Pumps
  
  Teton XPF Submersible Pumps
- Pond Skimmers
  
  Savio Skimmerfilter
  Savio Compact Skimmerfilter
- Pondless Waterfalls
  
  Savio Pond Free Waterfall Well
- Waterfall Wiers
  
  Savio Filter Wier
- Replacement Parts
  
  Air Pump Replacement Parts
  Filter Replacement parts
  Ultraviolet Replacement Parts
Resources
Merch Store
Our Champions

Login
Search
Cart

Merch Store
Our Champions

Omakase
Koi Under $500
Koi $500-1000
Koi Over $1000
2025 Growout Koi
Momotaro New Type

JPD

Akafuji AkaFuji Sinking 20Kg Fujizakura Fujizakura Sinking 20Kg Shogun Shogun Sinking 20Kg Shori Shori Sinking 20Kg Yamato
Tomigai

Taberu Tategoi Spirulina Wheatgerm
Nijikawa

Color Genesis Growth Four Seasons

Tomigai

jpd

Algae Solutions
Beneficial Bacteria
Dechlorinator
Defoamer
Water Clarifiers
Medicinal Treatments
Mosquito Control

Air Pumps

Hakko Air Pump Matala Air Diffuser Plates Air Pump Accessories
Bottom Drains

Rhino I Bottom Drain Rhino II Bottom Drain With Air Diffuser Rhino Overflow and Side Wall Returns Rhino Retro Bottom Drain
Ultraviolet (UV) Water Systems

Aqua UV Matala UV Zapp Pure UV
Filtration

AlphaOne AquaBead Filter AlphaOne 3" Port Mega Filters GC Tek Megladon Filter Pondkeeper Filter PondMax Pressure Filters Aqua UV Ultima II Filter Savio Living Ponds Waterfall Filter EZ-Bio Pre-Filter Uniclear Filter PoliGlass Bead Polishing Filter
Filter Media

Matala Filter Sheets
Pre-Filters

EZ-Bio Pre-Filter 2" Water Way Leaf Basket Aqua Sieve Series PreFilter
External Pumps

Performance Pro Sequence Pumps
Submersible Pumps

Teton XPF Submersible Pumps
Pond Skimmers

Savio Skimmerfilter Savio Compact Skimmerfilter
Pondless Waterfalls

Savio Pond Free Waterfall Well
Waterfall Wiers

Savio Filter Wier
Replacement Parts

Air Pump Replacement Parts Filter Replacement parts Ultraviolet Replacement Parts

FAQ & Koi Tidbits
Koi Varieties
Choosing Koi

Cart

Your cart is empty

🍪 Cookie policy

We use cookies and similar technologies to provide the best experience on our website. Refer to our Privacy Policy for more information.

Underlayment

CASTLE & CARMEL

Underlayment

Sale price$2.22

Pond liner underlayment

This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted.

Size:

6 Linear Feet 12 Linear Feet

Variant

Underlayment

Underlayment

Sale price$2.22

MK Newsletter

Subscribe to the Mystic Koi newsletter

E-mail

Koi Fish
Koi Food
Water Care & Treatments
Hardware
Resources
Merch Store
Our Champions

Come visit us! We are located at 1250 W Arrow Hwy in Upland, CA
Current Hours:
Sunday - CLOSED
Monday - CLOSED
Tuesday - 10:00am-5:00pm
Wednesday - 10:00am - 5:00pm
Thursday - 10:00am - 5:00pm
Friday 10:00am-5:00pm
Saturday 10:00am-5:00pm

Country

© 2025 - Mystic Koi & Water Gardens Powered by Shopify