Nassenheider evaporator - original
The evaporation system of formic acid - Nassenheider has become very late used and promising in reducing bee varroasis. The evaporators are simple formic acid applicators.
Formic acid is the simplest of carboxylic acids, but it is very strong organic acid, therefore it is necessary to take care of handling it safety measures, especially when working with open acid and dilution. I recommend that everyone use a respirator with a filter to protect them from work organic acids, strong rubber gloves and suitable clothing. The problem remains the inaccessibility of formic acid at the required 65% concentration a the necessity of its dilution with water from 85% acid in a ratio of 3: 1, which is common distributed by vendors.
The evaporative system is made of food grade polypropylene with good resistance to the acid. This system is designed to use 65% formic acid. Yippee it is necessary to attach the vaporizer using screws or nails before use frame to the lower meadow. The handling of the vaporizer then proceeds as a manipulation with the vaporizer frame. The design of the container is designed to keep acid up to emptying the reserve space, formed a constant level in the evaporation section suction through the evaporating wick.
A suitable dose is 360 ml of acid. This amount is average summer temperatures evaporate in about 10 - 14 days, in warmer weather earlier. IN September in cooler weather, it takes acidification for about 21 days. The disadvantage is the need to remove and preserve the two frames in which they are inserted frames with evaporative containers - Advantage is especially convenience of handling and safely filling with the filler from our offer.
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