Posted by Christopher Dees on 15:36:44 8/5/2008 from 220.127.116.11:
In reply to: Termites Eating Vinyl Pool Liner posted by Karin on 13:07:24 7/15/2008 from 18.104.22.168:
This is a very complex problem. I would like to throw a couple of things out for consideration. When I consult homeowners about protecting non-dwelling areas such as this pool, I urge them to keep in mind their timeframe for being in the home and the expected lifetime for the item they are trying to protect.
Two things I would want to know about prior to any liquid application would be what the water table is like at various depth levels in the soil. This is going to effect soil life of product and insect exposure at various depths.
I will make a couple of WAG's here that your pool is located in a climate that has cold winters, and that the pool is older than 7 years. Are you on a large lot?(1/2 acre or more) Wooded, not wooded, how recently developed...
Even if none of the above were true, based on my familiarity with both liquid and baiting treatments, I would opt for at least trying an CSI baiting application for one year (starting in the early spring) prior to any addtional repair expenses. The problem is interesting enough that a PCO in your area would probably be willing to use Exterra or a similar per-component charge based product at a reasonable cost -WITH NO GUARANTEE.
This is likely the best approach as far as cost benefit goes. Would you feel comfortable just repairing the liner if it only had 7-8 years left of life anyway if the bait system was serviced and had visible activity/feeding/inactivity for that year?
I realize that some here do not like baits at all, but they do have some merit where liquids will likely fail or have questionable results. There is no right answer to this one, so I am open to all feedback or questions.
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