Gardening for the Future

Seed Drying Tray Systems

H2Ocast Seed Drying Tray Instructions

Thank you for choosing H2Ocast Seed Drying Trays! These reusable trays are designed to gently remove moisture from seeds so they can be replanted or put ointo storage sooner.

How to Use

  • Spread seeds in a single, even layer on the tray.

  • Drying times vary depending on the seed size, humidity, and moisture content.

  • Begin checking your seeds after approximately 4 hours.

  • Continue drying until the seeds reach your desired dryness.

Using the Weights

  • With a weight: No turning is necessary. Moisture is absorbed from both sides of the tray.

  • Without a weight: Turn your seeds over periodically to promote even drying.

Cleaning & Care

  • Some seeds may naturally discolor or stain the tray.

  • Staining is normal and does not affect the performance of the tray.

  • If desired, use the included sandpaper to gently remove surface discoloration.

Tray Lifespan

  • Handle your trays with care. They are fragile and can crack or break if dropped or bent.

  • With proper care, each tray can be used many many times.

  • Over time, you may notice the tray no longer absorbs moisture as quickly. When the absorption rate noticeably slows, it is time to replace the tray with a new one for the best drying performance. 

  • Let the tray dry completely before adding more seeds. Place the tray in a sunny window or a fan. Do not use heat.

Tips for Best Results

  • Keep trays on a flat, level surface while drying.

  • Avoid stacking wet seeds too thickly; a single layer dries most evenly.

  • Store trays in a dry location when not in use.

  • For consistent results, check drying progress periodically rather than relying on a specific drying time.



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Revolutionary Patent-Pending Fast Seed Drying Trays

 
The Game-Changer Seed Savers You Have Been Waiting For! 

Tired of waiting days or even weeks for your seeds to dry? Say goodbye to slow paper towels and paper plates forever! Our brand-new, patent-pending seed drying system is a never-before-seen innovation that delivers lightning-fast results while protecting seed viability like never before.
Made with a proprietary high-performance mineral-based composite, these trays pull moisture out of seeds at an incredible rate. 
 
 
Why Seed Savers Are Raving About This System:
  • Blazing fast drying — Most smaller seeds ready for long-term storage in just 8 to 24 hours! No fermenting, no messy washing to remove the growth-retardant coating — it separates naturally.  


  • Proven results — NO electricity and NO heat This system will not over dry your seeds like heated dryers.


  • Massive time saver — While traditional methods can take up to 14 days, our trays get the job done dramatically faster so you can save more seeds in less time.


  • Reusable for years — These trays are built for repeated use. When a tile eventually loses peak absorption, simply replace it.  
This is a truly novel seed drying solution — nothing else on the market like it!. Whether you're a passionate home gardener or a dedicated seed hoarder, these fast seed drying trays will save you hours of waiting and help you preserve your harvest with confidence and ease. Stop wasting time. Start saving seeds smarter and faster today! 

Safety Information and Disclaimers

H2OCast Drying Trays – Important Safety Information & DisclaimersPlease read all instructions, warnings, and disclaimers carefully before use. Failure to follow these guidelines may result in damage to the product, reduced performance, or personal injury.
Intended Use
H2OCast seed drying trays are designed exclusively for drying seeds intended for planting or long-term storage.
These trays are NOT food-safe and are NOT intended for any food-related use.
Do not eat seeds after drying on these trays. Do not place food on the trays or use any part of the tray system for food preparation, serving, or consumption.Safety Warnings
  • Keep trays and all components away from children. This product is not edible.
  • Do not eat from the trays or allow any part of the tray system to come into contact with the mouth.
  • Children should be supervised at all times when using these trays or handling seeds.
  • Keep plastic packaging away from children — it may pose a choking hazard.
  • Do not expose the trays to open flame or extreme heat.
  • If you experience any adverse reaction after handling the trays, discontinue use immediately and consult a physician. The materials used are generally considered safe for handling when used as directed, but individual sensitivities may vary.
Germination Note
If you observe a low germination rate after drying seeds, lightly dust off any heavy residue from the seeds before planting. This residue is typically not a concern unless germination rates are affected.

Material Characteristics
Air bubbles and stone lines are common and expected due to the mineral-based composite material used in manufacturing. These are not defects.
If large bubbles or holes are present, lightly sand the imperfection using the enclosed sandpaper.
When sanding, do not inhale tray dust. Work in a well-ventilated area and take appropriate precautions.
Every tray and weight are handcrafted. The weights may wobble slighty when sitting in the trays.This is not to be considered a defect but normal for this material. It will not affect drying.

Care & Cleaning
  • Not dishwasher safe.
  • Do not submerge the trays in water.
H2OCast drying trays are considered safe for their intended purpose when used properly and in accordance with all provided instructions and warnings. 

Save Water With Ollas

Handcrafted Ollas (Pronounced OH-yah) – Ancient Technology for Modern Water-Saving Gardening

At H₂Ocast, we proudly handcraft a wide variety of high-quality ollas right in our pottery studio. Available in multiple sizes and shapes, our ollas are designed to meet the needs of every gardener — from container growers to those with larger garden beds and landscapes.

  • Long ollas — Excellent for plants with deeper root systems such as tomatoes, peppers, and many vegetables.
  • Extra-large round ollas — Perfect for small trees, shrubs, and larger plants.
  • Small ollas — Ideal for potted plants, herbs, and container gardens.

How Ollas Work

Ollas are one of the oldest and most efficient irrigation methods in the world. To use them, simply bury the olla in the soil up to the neck, then fill it with water. The porous unglazed clay walls allow water to slowly seep out directly into the surrounding soil. Plant roots naturally grow toward the consistent moisture source, drawing water as needed.

This gentle, targeted watering system offers many benefits:

  • Dramatically reduces water usage by minimizing evaporation and surface runoff
  • Delivers water directly to the root zone where it’s most effective
  • Helps maintain consistent soil moisture, reducing plant stress
  • Promotes deeper, healthier root growth
  • Ideal for drought-prone areas or water-conscious gardeners

Whether you’re growing vegetables, flowers, herbs, or ornamentals, our handcrafted ollas provide a simple, effective, and sustainable way to keep your plants hydrated while saving time and precious water.


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H2Ocast Seed Drying Tray Instructions

  

How to Use

  •  Determine the size Olla needed.
  • Ollas work better with new seeds or transplants. 
  • If you are installing an Olla to water established bushes or trees bury the Olla at the drip line for best results.
  • If you are using it in a pot, make sure the Olla is at least 4 inches from the plant stock.
  • If you are using a raised bed, make sure the plants are close enough to benefit. If the Olla is too far away the plant roots can't reach it to wrap around and drink.
  •  Bury the Olla up to the neck and fill it with water
  •  Check water level regularly

Cleaning & Care

  •  Never wash with soap
  •  Do not add fertilizer to the Olla directly
  •  Do not let freeze. If you live in a colder Climent you should dig your Olla up each fall and protect from hard freezes

Tray Lifespan

  •  Each Olla will have a different life span depending on size and environment
  • Protect your Ollas from freezing
  • Wash off any growth that may attach itself to the Olla.
  • Aggressive roots will wrap around an Olla and eventually break it, this is normal. At that point just replace.