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Harvest Right Accessories

Harvest Right freeze dryer accessories fall into two groups: maintenance supplies that keep the vacuum pump running, and storage supplies for freeze-dried food. Pump oil (changed every 4-5 batches) and filter cartridges are the core maintenance items; mylar bags and oxygen absorbers, used together, achieve up to 25 years of shelf life.

Workflow accessories, including extra trays, silicone mats, tray lids, and food molds, are each sized to match Small, Medium, Large, and XL machines. Complete accessory kits bundle the most-used storage supplies by machine size. All Harvest Right accessories in Canada are priced in CAD and ship free to most urban addresses.

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Buyer's Guide

Harvest Right Accessories: Complete Guide

Which Harvest Right Accessories Do You Actually Need?

Harvest Right accessories fall into three categories: maintenance consumables that keep the vacuum pump running, storage supplies that lock in the long shelf life freeze drying delivers, and workflow add-ons that expand capacity or handle specialty items. The maintenance and storage supplies are essential from the first batch; workflow accessories depend on how frequently you run the machine and how many batches you process at a time. If you're still selecting a freeze dryer, the Harvest Right lineup ranges from the 4-tray Small Pro for occasional home use to the 7-tray XL Pro for large-scale food preservation.

Essential Maintenance: Pump Oil and Filter Cartridges

The vacuum pump requires oil changes every 4-5 batches to maintain proper vacuum pressure and prevent moisture contamination. Harvest Right Vacuum Pump Oil is the only oil Harvest Right recommends for the standard oil pump models; it's formulated for the pump's operating range and protects against internal corrosion. After each oil change, filter replacement cartridges capture residual oil mist before it reaches the exhaust. Skipping these two maintenance items is the most common cause of pump failure on home units.

Long-Term Storage: Mylar Bags and Oxygen Absorbers

The freeze-drying process removes 98-99% of moisture from food, but once the tray leaves the chamber, the food begins reabsorbing moisture from the air within hours. Harvest Right Mylar Bags provide a barrier against moisture, light, and odour, while oxygen absorbers remove the residual oxygen inside each sealed bag. Together, they enable up to 25 years of shelf-stable storage. As explained in How Freeze-Drying Works, proper packaging is what converts the process into genuine long-term food security. A 12" impulse sealer creates a permanent heat seal on each bag in under five seconds. For shorter-term storage, resealable mylar bags are a practical alternative to the heat-seal style.

Complete Kits by Machine Size

Complete accessory kits bundle the storage supplies most owners reorder: mylar bags, resealable bags, oxygen absorbers, and tray lids, sized for each machine. Extra trays, silicone mats, and food molds are sold separately by size. For owners comparing freeze dryer models, the full range of home freeze dryers available in Canada includes pharmaceutical and commercial options alongside the home lineup.

Freeze Dryer Trays Kit to Order
Small Pro 4 trays Small Complete Kit
Medium Pro 5 trays Medium Complete Kit
Large Pro 6 trays Large Complete Kit
XL Pro 7 trays XL Complete Kit

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Frequently Asked Questions

What accessories do I need for a Harvest Right freeze dryer?
Every owner needs two categories of accessories from the start: maintenance supplies and storage supplies. For maintenance, vacuum pump oil (changed every 4-5 batches) and filter replacement cartridges keep the pump running reliably. For storage, mylar bags and oxygen absorbers are required to achieve the 25-year shelf life freeze drying is designed for. Workflow accessories like extra trays, silicone mats, and tray lids improve efficiency but are not required from day one.
Do you need Mylar bags for freeze drying?
Yes. The freeze-drying cycle removes 98-99% of moisture, but once food is exposed to air it reabsorbs moisture within hours. Mylar bags provide an effective barrier against moisture, light, and odour. When sealed with an impulse sealer and packed with oxygen absorbers, mylar bags extend the shelf life of freeze-dried food to up to 25 years. Without proper packaging, freeze-dried food goes stale in days to weeks depending on ambient humidity.
What are the best Harvest Right accessories to start with?
The complete accessory kit matched to your machine size (Small, Medium, Large, or XL) covers the storage side from the first batch: mylar bags, resealable bags, oxygen absorbers, and tray lids are all included. For maintenance, stock up on vacuum pump oil and filter cartridges, since the machine ships with oil for the first few batches but you'll need a supply on hand before long. After those two priorities, extra trays are the most practical addition for regular users.
How often should I change the Harvest Right vacuum pump oil?
Harvest Right recommends changing the vacuum pump oil every 4-5 batches. Oil picks up moisture and contaminants from each cycle, reducing the pump's ability to reach the low pressures needed for sublimation. Regular oil changes are the single most important maintenance step for home freeze dryer longevity. The 6-pack of Harvest Right Vacuum Pump Oil covers approximately 24-30 batch cycles before needing to reorder.
Are Harvest Right accessories available in Canada with CAD pricing?
Yes. All accessories on this page are priced in Canadian dollars and ship from within Canada, so there are no import duties, brokerage fees, or currency conversion charges. Free shipping applies to most urban addresses across the country.
Do Harvest Right accessories fit all freeze dryer sizes?
Most maintenance accessories are universal: vacuum pump oil, filter cartridges, the impulse sealer, and the Wi-Fi upgrade kit all work across the Small, Medium, Large, and XL home models. Size-specific accessories include extra trays, silicone mats, tray lids, silicone food molds, and the complete accessory kits, each available in four sizes matched to the corresponding freeze dryer. Pharmaceutical model trays are sold separately under a different SKU.
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