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-Vaporizer
VARROX
®
For efficient and well tolerated treatment
against varroasis with oxalic acid dihydrate.
Equipment and mode of action
The
-Vaporizer consists of a heater, a
VARROX®
metallic support and
3
m of cable with
tery-clips. It has an output of
watt. The pow-
150
er source can be an accumulator (car battery,
volt,
ampere, capacity
Ah). Oxalic acid
12
12
> 40
dihydrate is added to the pan, then the appliance
is inserted through the entrance of the hive. As a
Treatment
Prepare
Dose
Timing: The use of the VARROX®-Vaporizer is
particularly suitable for the follow up treatment
in broodless colonies. The treatment should not
be made during heavy bee flight. The tempera-
ture should be over
4
°C.
Dosage:
One-chamber-hive
g
1
(warm way, one-storey)
(=
1
measuring spoon*)
Two-chamber-hive
g
2
(two-storey/ Dadant)
(=
2
measuring spoons*)
*One spoon filled loose and without pressing,
corresponds to one gram oxalic acid dihydrate.
Each
VARROX®
-Vaporizer is supplied with a
measuring spoon.
Placing: The appropriate amount of oxalic acid di-
hydrate is measured into the pan. The
VARROX®
Vaporizer is inserted through the entrance of the
hive right below the cluster of the bees until the
metallic support is fully inserted. Keep a mini-
8
VARROX® -Vaporizer – EN
result of the heating action of the pan, the oxalic
2
bat-
acid liquefies and vaporises. Oxalic acid vapour
fills the hive and all the bees and surfaces are
then covered with a very thin layer of oxalic acid
crystals. These fine crystals are tolerated well
by the bees, but have a deadly effect on varroa
mites.
Treat
mum distance of
cm to wax and bees. Remove
2
wax from the hive floor.
Attention: The
-Vaporizer reaches tem-
VARROX®
peratures of up to
°C. It can scorch the hive
400
floor and frames if used for too long or too close.
This can be avoided by using a metal sheet or
wooden board below the pan. Caution with syn-
thetic hives and plastified varroa screens. Hives
or varroa screens made of plastic material must
be protected with an isolation platter (minimum
4
mm thick) under the
VARROX®
-Vaporizer.
Hint: Depending on the height of the entrance
and the bottom of the hive, we recommend
that the
VARROX®
-Vaporizer is fitted in evenly by
bending down both sides of the metallic support
a few millimetres. The distance between the
bottom of the hive and the heating element can
be increased and the source of the heat is lifted
from the floor.
-
Sealing the hive: Seal the whole entrance (or
diagnosis drawer) around the handle of the
VARROX®
-Vaporizer using strips of foam or cloth.
Open floors or other openings should be shut
tightly over the whole surface.
Duration of the treatment: After the hive is
sealed up, the vaporiser should be connected to
a car battery (
) for
minutes. One of the
12V
2½
battery-clips of the cable can be constantly con-
nected with the source of power using the con-
tact of the second clip to switch the appliance
on and off. It makes no difference which clip is
connected to the plusterminal – the function of
the heating is not reduced. After disconnecting
the
VARROX®
-Vaporizer, wait for
2
minutes be-
Oxalic acid-dihydrate information
Oxalic acid is a toxic and corrosive substance.
When filling the
VARROX®
-Vaporizer and dur-
ing the treatment, it is absolutely necessary to
wear protective glasses, a protective mask
gloves and long-sleeved clothes.
Occupational safety: With treatments of apiar-
ies in the open, take care that the wind blows
any escaping oxalic acid away from the user. The
whole length of the cable should be used and
the user should keep distance to the hive. The
foam material used for sealing the hive must be
handled with gloves. Avoid contact with the acid
where it may have condensed on the inner side
of the foam. The foam material must be washed
out carefully with water at the end of the cam-
paign. Treatments on colonies in a beehouse
must only be made from outside through the en-
trances of the hives. During the treatment, the
Electrical supply
The
VARROX®
-Vaporizer must be operated
with
volts,
ampere and cannot be directly
12
12
plugged into a socket of
or
110V
220V
on alternating and direct current (
AC
/
DC
Warranty
Please, follow the instructions for use careful-
ly. We do not assume any warranty for incorrect
application, reasons of unsatisfactory efficacy or
fore the appliance is pulled out, so that the oxalic
acid vapour can settle. Once removed, ensure
that the entrance of the hive is shut tightly again
and is left shut for another
10
taking out the
-Vaporizer, it should be
VARROX®
cooled in a bucket of water, so that with the next
use, no vaporisation begins before the appliance
is inserted into the hive.
Swarms, artificial swarms and nucleus can
be treated at any time.
beehouse must be well ventilated. No person
must remain inside the beehouse.
FFP3
,
The
VARROX®
-Vaporizer is a powerful heater
that generates high temperatures. The vaporiser
must not be used close to flammable materials.
Always put the vaporiser on a sheet of non-flam-
mable material (i.e. metal). Never touch the me-
tallic part of the vaporiser when in use. Caution:
metallic parts may be hot for a long time after
use. The vaporiser must never be switched on
without supervision. After the treatment, oxalic
acid crystals are found on the bottom of the hive.
Caution is therefore needed if mite fall is con-
trolled after the winter treatment. Gloves and a
protective mask should be worn. The remaining
oxalic acid will break down to water and carbon
dioxide and will be cleaned by the bees.
vaporiser is connected to the car accumulator
for prolonged periods the engine of the car may
. It runs
have to be run to avoid draining the battery.
). If the
possible damages that are beyond the control of
Andermatt BioVet
AG
.
VARROX® -Vaporizer – EN
minutes. After
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