Check out this spray I was advised to use. It looks like great stuff for spider mites. I'll be ordering a bottle soon.
It's called liquid lady bug.
http://www.spidermitekiller.com/
Another proven product is Einstein Oil, You take it and make a solution with water and Einstein Oil (usually before you introduce the clone into the grow room ;P ) and dip the entire clone in it for a few seconds.
http://www.planetnatural.com/site/einstein-oil.html
Here's someone's good description of how to use and how not to use Einstein Oil.
Although helpful, a wetting agent like dish soap will not solve this problem. This holds true for any oil based pesticide. This type of damage occurs while dipping or spraying when unmixed oil is applied at too high of a concentration to the plant. In your case when you dipped your clone the oil coated the plant on the way in and again on the way out. By nature, oil tends to float on water; thus, it clings to the plant and is very difficult to remove. In the end the oil clogs the cell walls, suffocating the leafs and sometimes killing the plant.
This holds true when using any "Oil Based" pesticide including: Einstein's Oil, Concern (canola based) and Pure Neem Oil.
To avoid try this:
Warm the Einstein's Oil by running hot water over the closed bottle. Shake Well
Fill the desired container you are going to use 1/2 full with hot/warm water to help break down your mix.
Add the solution (Einstien's Oil) and wetting agent into the water.
Mix by stirring or shaking.
Add enough cold water to bring your mix to total desired quantity.
Continue stirring or shaking
Your mixed solution should be lukewarm/warm not room temperature this will help keep the Oil broken down while you work with it.
If there is oil floating on top of your mix do not dip your plants as it will over coat and damage. The same goes for the last inch or two of mixed solution when spraying: do not spray this. If oil has floated to the top in your sprayer it will spray out in too high of a concentration and damage your plants in the same manner. For this reason you want to shake the sprayer while using. This will help the solution stay mixed. Regardless stop at the last inch or two. If you need a little more at the end add warm water or dump and mix a fresh batch. Do not spray it out to the last drop as it may damage the plants you hit.
When spraying/dipping clones I tend to prefer using 1/2 or 3/4 strength to avoid shock or damage. This is especially true if your just using this product as a leaf shine. Many products work well at a lower strength when used with any regimen and consistency. The people who make the product want you to use it faster so you spend more money.
Better to err in a manner you can repair!
If you are using Einstein's to battle spider mites I recommend you try Floramite. While expensive it will eliminate your mite problem permanently
DO NOT USE ON FLOWERING PLANTS it stays in the plants system up to 60 days. This makes it a great product to use during early stages. It will not harm your plants.
Same goes for Einstein's Oil although some people say you can use this product up to two weeks before harvest it is the other way around.
You should not use Einstein's oil past the second week of flowering. Using this product in the later stages of flowering will ruin your smell and taste.
Spraying is definitely safer than dipping. Although dipping covers the entire plant, there are air bubbles and pockets that don't get hit. For this reason a week or two later I spray those same plants.
Good luck! Hope this was helpful.
http://forum.grasscity.com/sick-plants-problems/280121-big-problem-einstein-oil.html
Beanz