★Trial Price! Concentrated Natural Seawater Nōten KOI-TEN | RO Membrane Treated | Marine Fish Coral

**[High Quality] Concentrated Natural Seawater KOI-TEN

Tsushima Current × Reverse Osmosis Filtration × Approx. 2x Concentrated Natural Seawater**

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This is concentrated natural seawater that we recommend for those who seek the natural stability that artificial seawater cannot replicate.

■ Product Description

① Uses natural seawater from the Tsushima Current

Collected from an area rich in minerals.
Brings the real ocean with its natural balance to your aquarium.

② Concentrated & Cleaned with Reverse Osmosis (RO) Membrane Filtration

Thoroughly removes organic matter, phosphates, and impurities.
Increasing the salinity helps suppress bacterial growth.
*Effect confirmed through preservation testing (see image).

③ Phosphate-Free Treatment to Suppress Algae Growth

④ All-Purpose Type Suitable for a Wide Range of Marine Life

Recommended for marine fish, shrimp, crabs, hermit crabs, soft corals, LPS, and especially delicate SPS corals.

⑤ Economical & Space-Saving with Approx. 2x Concentration

Easy to store in the refrigerator and dilute only as needed. Convenient and economical for small-scale use, such as in small aquariums.

■ How to Use

1. Always dilute with RO water (freshwater).
   Guideline: 1L Concentrated Seawater : 1L RO Water
   *Start by diluting to approximately 2x.

2. Adjust to the desired specific gravity (salinity).
   *Specific Gravity: 1.023 - 1.025

4. Use for water changes or top-offs after adjusting water temperature.
?? For aquarium use only (not for consumption).
?? This is a concentrated type, so always dilute and check specific gravity.

■ Storage Method

Store away from direct sunlight, high temperatures, and humidity.
Unopened: 1 month
After opening: Seal and store in the refrigerator, use as soon as possible.
*Do not use if there are any signs of discoloration or unusual odor.

■ Precautions for Use

We cannot guarantee against fish death, bleaching, or illness.
Please ensure proper aquarium environment and water quality management before use.

■ Capacity & Shipping

4L Concentrated Seawater (2 x 2L dedicated PET bottles)
→ After dilution: Can be used as approx. 8-9L of aquarium water.
*Shipped anonymously in a dedicated cardboard box containing 2 bottles.

■ Finally (For those considering purchasing)
I want to give my hermit crab natural minerals.
My aquarium isn't stable with artificial seawater...
I want my corals to grow better.
etc.
The reasons for this sale are detailed in my profile.
I would appreciate it if you could take a moment to read it.