I agree, then Dragon311 showed me the iClear 30b. No more need to add drops of PG USP at the end of a tank. You literally get to vape every drop and every hit is virtually flawless. No need for waiting in between hits. The iClear 30b is by far the best I have used. There is only one trick to it. You have to keep your unit sideways and lay it down flat on the table when you are done. This will eliminate oil dripping to the battery. As it gets closer to being empty, that is when I stand it up straight when I take a hit. Also, I notice that for some reason the coil lasts at least twice as long as other coils I have used. I have ran 4 or 5 grams of oil through it so far without any problems. When it is time to replace the coil, I will take it apart so I can actually see the coils. On the iClear 30b, you can't see the coils, it is a bottom fed dual coil unit. The coils are criss crossed, the way I prefer them. The iClear 30b is perfect for a SVD vaporizer. The main reason is the design of the SVD is fatter at the bottom and narrower at the top to where when laying it down it prevents any oil leakage to the battery when stored. If you use it the way I mention, you shouldn't get any leakage to the battery, when using the iClear 30b. It is always wise to check.
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The iClear 30b in the pictures has has a 2.1 ohm heating elements and is filled with winterized RSO. QWISO works just as well. QWISO and RSO are different kind of like comparing indica to sativa when it comes to the buzz effects.
These heating elements cost about $3 each, but they last twice as long as a top fed if not longer. The wicks are short little stumps being that it is bottom fed.
