There are many treatments available called miticides that are specifically created for the treatment of mites. There are many home remedies and organic treatments as well as treatments using natural predators such as other types of mites and predatory bugs like the praying mantis and ladybugs.
Predatory mites are, in many new age gardener’s opinions, the best way to control spider mites. Predatory mites are mites that do not feed on plants but on other mites, like the two-spotted mite, for instance. Predatory mites can usually be mail-ordered from a horticultural warehouse or purchased online from any number of online gardening vendors.
One of the new problems related to mites is the Super Mites. These are mites that have been treated by chemical means over time and have managed to keep reproducing. These mites become immune to the chemicals used and in California this has become a serious problem. The warm, dry temperatures make the perfect climate for the spider mite’s reproductive cycle and since they have been fighting these mites for a long time they are finding that they are not able to control them anymore with the chemicals currently available. The natural predator or natural means of killing and repelling mites is becoming the better way to treat infestations. These super mites appear to be moving to other parts of the country so be careful and make sure your grow rooms are protected.
Some of the other things you can use are oils like Neem oil is a vegetable oil pressed from the fruits and seeds of the neem (Azadirachta indica), an evergreen tree which is endemic to the Indian subcontinent and has been introduced to many other areas in the tropics. It is, perhaps, the most important of the commercially available products of neem for organic farming and medicines.
Neem oil is generally red as blood, and has a rather strong odor that is said to combine the odors of peanut and garlic. It comprises mainly triglycerides and large amounts of triterpenoid compounds, which are responsible for the bitter taste. It is hydrophobic in nature and in order to emulsify it in water for application purposes, it must be formulated with appropriate surfactants.
Neem oil also contains steroids (campesterol, beta-sitosterol, stigmasterol) and many triterpenoids of which azadirachtin is the most well known and studied. The azadirachtin content of neem oil varies from 300ppm to over 2500ppm depending on the extraction technology and quality of the neem seeds crushed.
Some Treatments like Dow Corning’s M-Pede are using the oils of animal fats which is more natural. Many types of miticides are based on petroleum oil.
Neem oil and other treatments like M-Pede can be used right up until harvest. I would strongly recommend rinsing off your plants before harvest because many of these treatments will leave a taste on your buds even though they say they don’t!