Well I have my first batch of Super Soil in a tarp out back. I am not throwing it out. lol. I think if I use the Azamax accurately I won't have this problem. But consistent soil would help.
If you're thorough with the azamax (spray every 3 days-4 applications total) you will knock down the mites, if not eliminate them. Azamax is a great product. I use it up to around 3'rd to 4'th week of flower, then I spot treat with mighty wash if I see any mites further in to flower. The following is the info from their pamphlet for soil drenches. I have never done a soil drench, so I am not endorsing this in any way, but I know subcool and others have done this, and I'm sure they would not suggest it if it weren't effective and safe for the plant. Sub did a drench for gnats on one episode of weed nerd.
DRENCH APPLICATION
Use AzaMax® as a soil drench for effective control of soil-borne insect larvae, including soil-borne larvae of foliar pests, such as fungus gnats,
nematodes, or soil borne thrips. When applying as a drench, avoid excessive leaching.
Preventive applications as a soil drench may be warranted for certain pests. Soil drench applications of azadirachtin will have a slower rate of activity
because of soil absorption when compared to foliar applications of AzaMax®. Target the initial application of a soil drench treatment to coincide with
the early stages of young larvae and young nymphs.
Dilute AzaMax® with water for concentrations of 0.4 to 0.8% volume/volume. See use rate table below. Add the required amount of AzaMax® to a
clean bucket with at least one-half of the water to be drenched. Agitate the mixture thoroughly and then fill with the remaining water and continue
agitation until the product is thoroughly dispersed.
Drench the soil in the pot with one (1) pint of finished product dilution per 1.0 gallon of soil. For fungus gnats, use the 0.4% spray concentration. For
mushroom fly maggot control, use the 0.6% volume/volume spray concentration. For leafminers and other difficult to control pests, use the 0.8%
volume/volume spray concentration. Make two to three (2 – 3) applications at 10 –14 day intervals until pest pressure has ended. With high insect
pressure make applications every 5 to 6 days. Additional applications of AzaMax® may be required with increased and prolonged pest infestation.
DILUTION TABLE FOR DRENCH APPLICATIONS
Gallons of
Water 0.4% 0.6% 0.8%
Application
Interval
Amount of AzaMax®
1 gallon
1 gallon
5 gallons
10 gallons
1 Tbs.
0.5 fl. oz. (14.8 ml)
2.5 fl. oz. (74.0 ml)
5.0 fl. oz. (148.0 ml)
1.5 Tbs.
0.8 fl. oz. (23.7 ml)
4.0 fl. oz. (118.3 ml)
8.0 fl. oz. (236.6 ml)
2.0 Tbs.
1.0 fl. oz. (29.6 ml)
5.0 fl. oz. (148.0 ml)
10.0 fl. oz. (295.7 ml)
10 - 14 days
10 - 14 days
10 - 14 days
10 - 14 days