The water body chosen for this present study is the Ukkadam Lake situated in Coimbatore, Tamilnadu, India (10.9917° North, 76.9722° East). In this paper, a correlation was developed between various optical and non-optical water quality parameters, thereby establishing an indirect relationship between non-optical parameters and reflectance data based on which the predictive models were developed. While most of the studies are restricted in just analysing the optical water quality parameters, only few studies have attempted the estimation of non-optical water quality parameters. Last edited by Allan Speers 12-07-2021 at 7:51 PM.Remote sensing was used as a potential solution for monitoring the surface water quality parameters as an alternative to the traditional in situ measurements which are time consuming and labour-intensive. (Which is just less than 10%)ĭo NOT use Floetrol ! - Floetrol attacks the particles. The official Multispec docs say: “NO MORE THAN 10%”ġ-2 oz per quart. (Hawke Systems say you can even get by with a good 3-stage, if everything else is set up perfectly.) He personally uses a Capspray 95, with such an adapter, and says it’s fantastic for both heavy latex and Multispec. PSI needed: Mike Multispec says that a 4-stage turbine, combines with an HVCLP adapter, is PLENTY for this stuff and for heavy latex. Again, you want maximum flow, and minimum atomization. Mike recommends the Capspray #6 Projector set. Narrow is BAD as it breaks up the particles, because that concentrates the air. (I think the air cap design is what matters.)įAN PATTERN: KEEP IT AS WIDE AS POSSIBLE ! # Also: Make sure your gun was designed to also work with pressure-fed systems, as some turbine guns are not. Combined with a very larger nozzle and air cap, this will give high flow with minimum atomization. # When using an HVCLP adapter with your turbine system gun, it is then recommended to turn down the guns air flow valve to about halfway, or even less. The 3M PPS system also offers a pressure-fed 1 qt cup, but that system is limited to a 2.0mm maximum nozzle & cap, so while that’s great for Latex, it’s not ideal for Multispec.) Graco makes one, calling their system the "Artisan Valve Accessory". ( A gravity gun, with a similar pressure-feed air tube, is even better. # Luckily: You CAN use a siphon gun, if you add an HVCLP adapter, since that basically turns your 1 qt pot into a pressure system. Standard turbine-fed siphon guns are also no good, because the extreme venturi blowing across the top shreds particles.įor this same reason, a bleeder gun is NOT recommended! (even though they are indeed better for standard latex) With Multispec, as I guessed earlier, you actually want to minimize atomization. So for anyone reading this and is curious, here's what I now believe to be the real poop:Īirless sprayers are no good because the extra pressure shreds the Multispec particles. Luckily, I found a really experienced tech guy today and got lots of clarifications & new info.įirst, understand that while Multispec (and the similar Hawke Systems product) is heavy latex, it has certain special requirement, due to the fact that you don't want to damage / alter the integrity of those specs. Yeah I was puzzled by the "no airless sprayer" thing as well.
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