We’re in the season of ice. It’s icy outside, the annual Niagara Icewine Festival is on, and today, we’re going to review how vintners can solve common icewine problems.
In this blog, we cover three areas of icewine production:
Each area has a unique set of problems, but the good news is that A. O. Wilson’s extensive ecommerce shop has everything you need to make icewine with as few roadblocks as possible.
Icewine’s high concentration of sugars, solids, proteins, and colloids makes it hard to stabilize, fine, and filter. It’s not uncommon for filters to become clogged and clogging will inevitably lead to costly downtime for repairs and maintenance.
To avoid downtime due to clogging, you must properly prepare the wine for the filtering processes. This is done by fining your wine with three key steps post-fermentation:
- Cold stabilizing
- Adding sulphur as recommended
- Racking off yeast sediment
We have a couple of product recommendations that will help you navigate through this part of the icewine making process:
- SIL-30 DC (50-100ml/hl) and SOLGEL DC (20-40ml/hl) — These products work in conjunction with one another to improve clarification and compact sediment.
- Gelbentonite DC (10-30ml/hl) — A powder to stabilize proteins.
We also suggest racking the wine to minimize sediment and for grapes affected by Botrytis, using Betazina DC Enzyme (3-5g/hl) prior to filtering.
The filtration of icewine can be broken down into two steps that include a primary filtration and a final filtration before bottling.
For colloid removal, we recommend using the BECOPAD 115C ( C for colloids, 0.1-0.2 micron) just before membrane filtration to best protect the membrane.
Lastly, the membrane filter you’ll need is the PS Wine Membrane Cartridge (0.65 micron).
The final stage of this process is bottling, and for that, we have a the perfect icewine labeler solution for you, and a video that showcases how it works for small bottles.
Canada is the world’s largest producer of icewine and A. O. Wilson has been proudly serving the icewine vintners of Canada for decades.
If you have any questions about the icewine making processes, don’t hesitate to get in touch with our team of professionals.