It's a personal choice and experience will show which works best for you.įor each of the four extractions, we carried out multiple washes in order to separate the maximum amount of resin from the material first we ran the washing machine for three minutes before draining, separating and collecting the trichome heads, next we washed for six minutes, then nine, 12 and finally 15 minutes each for the last few washes, until the temperature of the water rose above 1✬ and the quality and quantity of the resin collected visibly declined and we decided further extraction wouldn't yield much of any worth.Ĭollected resin after a few days in the fridgeĪfter collection, even at an ambient temperature of 10✬ the resin (in particular that of the fresh-frozen material) was far too sticky too break up for drying, so it was transferred to the freezer for a few days to harden it before we micro-planed (grated) it into a powder, thus facilitating drying, which took place in a fridge over the course of two weeks. The use of a 220 micron zip-close work bag inside the machine can be a useful idea to save time and mess, while some may prefer to wash the material loose, thus allowing it to circulate freely in the water. Various types of quality and sizes of filter bags are available for making hash, but for this project we used a 5-bag set of Pure Extract Bags to filter the water and separate the vegetable matter (220) and the different sizes of trichome heads by micron size from (160>120>73>25). ![]() Hand-stirring in a bucket is a perfectly viable option for smaller quantities or if you don't have a washing machine. In this case, the material was processed in a medium-sized portable washing machine, but smaller and larger machines are available depending on your need. The process of making ice water hash Extraction process Here we'll just share a few details of the extraction, but for a much more in-depth guide on making your own bubble hash, read our other article on the subject: How to make ice water hash. It's usually enough to let the material soak in ice-cold water for around 20-30 minutes before proceeding with the extraction process. This is to ensure a cleaner end product, avoiding any contamination of the hash by plant debris that could result from agitating dry and brittle flowers. The same equipment and techniques are used when processing fresh-frozen or dried material, the only difference being that dried flowers will need to be rehydrated before starting the extraction. Once dry, the buds were transferred to ziplock bags and stored in the freezer for another month before processing. To make sure that the comparison between the two different extraction methods is as fair and even-handed as possible, the flowers we will be comparing are from the same plants, two different phenotypes of the variety R-Kiem from Spanish seed bank R-Kiem Seeds, specialists in breeding genetics highly suitable for extractions. Each plant was processed separately both in its dried and its fresh-frozen form, meaning a total of four different extractions for comparison purposes.īoth plants were grown outdoors in full sun and the flowers were collected when fully mature toward the end of October.Īt harvest time, approximately half of each plant was trimmed and frozen immediately while the other half of each plant was trimmed and hung to dry slowly in the dark at 50-60% RH/13✬ over the course of a month. The fresh-frozen approach can also be useful if you don't have sufficient time or space to hang and dry your plants, but dried flowers will occupy less volume in the freezer than fresh-frozen material, being less bulky and heavy. Many hash-makers claim that processing fresh-frozen plant material offers greater yields and higher terpene content, while others maintain that using dried material results in a more stable and longer-lasting product, less prone to degradation over time. The goal of this experiment is to examine the differences in both yield and quality between these two approaches and determine the pros and cons, as each one has its advocates and detractors. In this article, we will be examining and comparing the two most popular approaches to making ice water hash, bubble hash or Ice-O-Lator from cannabis buds: In the first two extractions, we will be using fresh-frozen material to make the hash, while the second two extractions will be carried out using dried, cured flowers.
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