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making oxalic strips
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<blockquote data-quote="tristan" data-source="post: 13630" data-attributes="member: 30"><p>more updates:</p><p></p><p>i can't recall if i mentioned previously that the strips used last year where a bit different that the original ones i tested with, and the new ones didn't get chew out quite so badly. however i'm also told that higher acid amounts tend to keep the bees from chewing them so much. so possibly a 1:1 ratio or 1:1.2 would be better [USER=3]@yesbut[/USER] </p><p>i wonder how much brood space pressure plays into that. randy olivers testing is on double broods, but we use single broods which are a bit undersized for the brood.</p><p></p><p></p><p>i've just done a quick and dirty test on making the staples (as per beequips setup).</p><p></p><p>soakage time weight gross per 480 strips</p><p> normal floating</p><p>start 7.62 kg 7.44 kg</p><p>43 min 14.28 (+6.66) 14.38 (+6.94)</p><p>34 min 16.10 (+1.82) 16.40 (+2.02)</p><p>60 min 16.54 (+0.44) 16.96 (+0.56)</p><p>66 min 16.82 (+0.28) 17.24 (+0.28)</p><p>overnight 18hrs 17.26 (+0.44) 17.72 (+0.45)</p><p></p><p> </p><p>gross strip weight 31.79g 33.13g</p><p>dry strip 11.70g</p><p>acid mixture per strip 20.09g 21.43g</p><p>strip acid content 8.36 8.57 </p><p>strip glycerin content 12.54 12.86</p><p></p><p>note: gross weight includes mixture sitting on top and clinging to sides of the strips and gear. if its colder that amount can go up making strips seam heavier.</p><p></p><p>the normal is per beequip setup with weights holding the strips down as they tend to float.</p><p>the floating is using the kit upside down and holding it down. that allows the strips to float in the mixture and they push down as they expand.</p><p>it seams weighting the strips, to stop them floating, slows down the uptake and reduces the max uptake of the mixture. unfortunately, time constants (boss left it to the last minute) meant that i could not test keeping the rubber band on. beequip recommends taking the rubber bands off, but thats not in the instructions and the hobby version leaves them on. i suspect that the pressure from the rubber band would reduce the uptake of the mix a bit.</p><p></p><p>whats interesting is the mixture doesn't get between the strips, it soaks in from the edge like the buddle is a solid block. i pulled a bundle apart when weighing and it was actually bone dry in the center even after a few hours.</p><p>this is why it takes so long to absorb the mix.</p><p></p><p>also only the floating got close to target strip weight. doing it as per instructions it falls a bit short.</p><p>of course the question is does that matter?</p></blockquote><p></p>
[QUOTE="tristan, post: 13630, member: 30"] more updates: i can't recall if i mentioned previously that the strips used last year where a bit different that the original ones i tested with, and the new ones didn't get chew out quite so badly. however i'm also told that higher acid amounts tend to keep the bees from chewing them so much. so possibly a 1:1 ratio or 1:1.2 would be better [USER=3]@yesbut[/USER] i wonder how much brood space pressure plays into that. randy olivers testing is on double broods, but we use single broods which are a bit undersized for the brood. i've just done a quick and dirty test on making the staples (as per beequips setup). soakage time weight gross per 480 strips normal floating start 7.62 kg 7.44 kg 43 min 14.28 (+6.66) 14.38 (+6.94) 34 min 16.10 (+1.82) 16.40 (+2.02) 60 min 16.54 (+0.44) 16.96 (+0.56) 66 min 16.82 (+0.28) 17.24 (+0.28) overnight 18hrs 17.26 (+0.44) 17.72 (+0.45) gross strip weight 31.79g 33.13g dry strip 11.70g acid mixture per strip 20.09g 21.43g strip acid content 8.36 8.57 strip glycerin content 12.54 12.86 note: gross weight includes mixture sitting on top and clinging to sides of the strips and gear. if its colder that amount can go up making strips seam heavier. the normal is per beequip setup with weights holding the strips down as they tend to float. the floating is using the kit upside down and holding it down. that allows the strips to float in the mixture and they push down as they expand. it seams weighting the strips, to stop them floating, slows down the uptake and reduces the max uptake of the mixture. unfortunately, time constants (boss left it to the last minute) meant that i could not test keeping the rubber band on. beequip recommends taking the rubber bands off, but thats not in the instructions and the hobby version leaves them on. i suspect that the pressure from the rubber band would reduce the uptake of the mix a bit. whats interesting is the mixture doesn't get between the strips, it soaks in from the edge like the buddle is a solid block. i pulled a bundle apart when weighing and it was actually bone dry in the center even after a few hours. this is why it takes so long to absorb the mix. also only the floating got close to target strip weight. doing it as per instructions it falls a bit short. of course the question is does that matter? [/QUOTE]
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