<< A grower is raising thousands of organic greenhouse herbs
via pot culture and has trouble with clogging in the drip
irrigation system. >>
The first question is: what is causing the clogging. It is important to have
information on the quality of the water being used (hardness, pH, mineral
content, etc). If this is a problem caused by excessive suspended particles
(TSS) in the water, there are two options. Either pretreatment is required to
remove these solids, or they can be flushed out of the system depending on the
chemical composition of the solids. The type of solvent to use depends on the
chemical composition of the solids. If the clogging is due to mineral deposits
that precipitate from the water because of the water composition and/or added
minerals, it is again important to determine the composition of the deposits
in order to determine the best options.
Without this info, it's more of a hit a miss to find the right solvent. If
sulfuric acid works, then trying other approved acids may work.
Hope this helps,
Alan Ismond, P.Eng.
To Unsubscribe: Email majordomo@ces.ncsu.edu with "unsubscribe sanet-mg".
To Subscribe to Digest: Email majordomo@ces.ncsu.edu with the command
"subscribe sanet-mg-digest".