Flow Hive Problems: 8 Common Issues and How to Fix Them
The Flow Hive makes honey harvesting easier — but it's not problem-free. From bees refusing to use the frames to honey leaking into the brood box, experienced beekeepers encounter these issues regularly. The good news: almost every common Flow Hive problem has a straightforward fix. This guide covers the 8 most reported issues and exactly what to do about each one.
In This Article
Bees Won't Use the Flow Frames
This is the most common complaint from new Flow Hive owners. You install the super, wait weeks, and the bees completely ignore the Flow Frames. It's frustrating — but it's usually not a sign anything is wrong.
Bees are naturally cautious about new materials. Plastic frames smell and feel different from natural beeswax comb, and some colonies take months to accept them.
- Rub beeswax directly onto the plastic cells. Melt beeswax and paint or rub it over the surface of each Flow Frame before installation. This is the single most effective technique — most colonies accept wax-coated frames within 1–2 weeks.
- Don't add the super too early. Only add the Flow super once the brood box is at least 80% full of bees and comb. A colony that feels crowded is far more motivated to expand upward.
- Check for a queen excluder issue. If the excluder is blocking movement incorrectly, bees may not enter the super. Ensure the excluder is properly fitted with no gaps or damage.
- Be patient. Some colonies, especially new packages, need a full season to accept Flow Frames. This is normal.
Honey Leaking Into the Brood Box
One of the more serious Flow Hive problems — honey dripping down through the queen excluder into the brood box can drown brood, attract pests, and create a sticky mess that's very hard to clean up.
- Check hive level. The hive must be level side-to-side, with a slight forward tilt (1–2°) so honey drains toward the rear collection channel, not the front. Use a spirit level to check.
- Turn the key correctly. Always insert the Flow Key fully before turning. A half-seated key can split cells unevenly, causing honey to escape downward instead of toward the channel.
- Harvest one frame at a time. Harvesting multiple frames simultaneously increases pressure in the system. Start with one frame and monitor carefully.
- Check the lower cap tube seal. The small tube at the bottom of each frame must be properly seated. A loose seal allows honey to bypass the collection channel.
A correctly installed and level hive prevents most leaking issues.
Honey Flowing Too Slowly
You've turned the key and... a trickle. Cold honey is thick and viscous and can take hours to drain — or stop flowing entirely in cold conditions.
- Harvest on warm days only. Ideal harvesting temperature is above 20°C (68°F). The hive interior is usually warmer than outside air, but cold ambient temperatures still slow flow significantly.
- Harvest midday. The hive is warmest between 10am and 2pm when bees have been clustering and working all morning.
- Check the honey type. Some honeys — particularly those from canola/rapeseed — crystallise extremely fast and can solidify in the frames before you harvest. In areas with heavy canola crops, harvest more frequently and don't leave frames full for extended periods.
Frames Not Draining Completely
After what seems like a complete harvest, you notice honey still sitting in parts of the frame. This is especially common in cooler climates or with thicker honeys.
- Allow more time. A slow drain is not a failed drain. Leave the key in the harvest position for the full 40–60 minutes before concluding the frame is empty.
- Harvest in sections. Some beekeepers turn the key to harvest only the top half of the frame first (insert key to the upper port only), wait, then do the lower half. This can improve drainage on stubborn frames.
- Accept partial harvests. Bees will re-work any remaining honey once you reset the cells. A small residual is normal and not a problem.
Wax Buildup Jamming the Mechanism
After one or more seasons, propolis and beeswax can build up inside the frame mechanism, making the key stiff or impossible to turn — or preventing the cells from resetting properly.
- Clean frames at the end of every season. Remove Flow Frames from the hive, disassemble them, and rinse thoroughly with warm (not hot) water. Use a soft brush to remove wax and propolis from the cell mechanism.
- Soak in warm water if propolis buildup is severe. Propolis softens in warm water and can be scrubbed away gently.
- Never use soap or detergents inside the frames — residue can harm bees and contaminate honey.
- Store disassembled frames in a sealed bag or container during winter to prevent pest access and make spring cleaning easier.
End-of-season frame cleaning takes about 30 minutes per frame and prevents most mechanical issues in the following season. Make it a habit every autumn — your future self will thank you.
Robbing Bees During Harvest
The scent of open honey during a harvest can attract bees from other hives — or even wasps — to try to steal from your colony. Robbing can escalate into a serious fight that injures or kills thousands of bees.
- Replace the rear door immediately after harvesting. Don't leave the harvest ports open any longer than necessary.
- Wipe up any spilled honey around the hive entrance and rear immediately after harvesting.
- Use a robbing screen on the hive entrance during harvest season if robbing is a persistent problem in your area.
- Harvest in the morning when forager bees from other hives are less active.
- Reduce the hive entrance to a smaller opening during and after harvest to make it easier for your colony to defend.
Good hive management prevents most common Flow Hive problems before they start.
Bees Building Comb in the Wrong Places
Bees sometimes build "burr comb" — irregular comb — between and around the Flow Frames, in the gaps between the super and roof, or over the observation window. This can jam the frame mechanism and make inspections difficult.
- Scrape burr comb regularly during hive inspections using your hive tool. Early removal prevents large buildups.
- Ensure frames are correctly spaced. Flow Frames should sit snugly in the super with standard bee space between them. Gaps that are too large invite comb building.
- Check the crown board seal. Gaps between the super and inner cover are prime locations for burr comb. Make sure the crown board sits flush with no gaps.
Honey Crystallising in the Frames
Certain honey types — particularly from clover, canola, and some wildflower sources — crystallise very quickly. If honey crystallises inside the Flow Frames before you harvest, it can jam the mechanism and be very difficult to remove.
- Harvest more frequently in areas with high canola or clover content. Don't leave frames full for more than 2–3 weeks during peak nectar flow.
- Warm the super before harvesting if crystallisation has already begun. Wrapping the super with a heat blanket (set very low) for a few hours can soften crystallised honey enough to allow drainage.
- Soak frames in warm water if the mechanism is jammed by crystals. Submerge the frame in warm (40°C / 104°F) water for 30–60 minutes to dissolve crystals before attempting to operate the mechanism.
- Prevention is better than cure. Check frames every 10–14 days during canola season and harvest as soon as frames are capped.
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Shop SkogHive Equipment →Frequently Asked Questions
Why are my bees not going into the Flow super?
The most common reasons are: the brood box isn't full enough yet, the bees haven't accepted the plastic frames, or the queen excluder is incorrectly fitted. Rub beeswax on the frames and wait until the brood box is at least 80% full before expecting activity in the super.
Is it normal for a little honey to leak during harvest?
A very small amount of seepage around the frame edges is normal and not cause for concern. Significant leakage — especially into the brood box — indicates a levelling or key insertion problem that needs to be corrected.
How do I know if my Flow Frames are damaged?
Signs of damage include the key turning but no honey flowing, visible cracks in the frame body, or cells that won't fully reset after harvesting. Flow Hive offers replacement parts for most frame components.
Can I fix Flow Hive problems myself or do I need to contact support?
The vast majority of problems — bees not using frames, slow flow, minor leaks — can be resolved at home with the fixes in this guide. Contact manufacturer support if you suspect a manufacturing defect or if your frames are damaged beyond cleaning.
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