Top questions about dissolved oxygen monitoring, automatic aeration, installation and service — answered in one page, each linked to an in-depth article.
Common reference for the four major Chinese carps: comfort ≥5 mg/L, warning ≤3 mg/L, danger <2 mg/L. Tilapia and crucian carp tolerate lower, but polyculture ponds set the line by the most sensitive species. More: safe DO levels for fish ponds →
Q：How often should a fluorescence DO sensor be calibrated?100% saturation-in-air calibration every 6 months as standard (every 3 months for high-density farms); replace the optical cap every 1~2 years. More: DO sensor calibration →
Q：Online monitoring vs manual water testing — what is the difference?A manual sample is an instant snapshot taken in daytime — it misses the 2~5 a.m. minimum entirely. Online monitoring records 24 hours a day and triggers aeration automatically. More: online vs manual testing →
Q：Will the sensor foul in the pond and drift?Yes. Biofouling is the biggest interference in long deployments and drifts readings systematically; TAYKEE probes carry an automatic wiper for regular self-cleaning. More: biofouling and the auto wiper →
On dissolved oxygen, not on a schedule: the night decline, muggy overcast days and post-feeding peaks are the three windows to watch. With monitoring, aerators start automatically below the warning line. More: when to run aerators →
Q：How much electricity does VFD aeration save?Roughly 20% of whole-system electricity in field experience: full-speed running dominates the bill, and VFDs match output to demand (<3 mg/L full speed, 3~5 at ~35 Hz, 5~6 at ~20 Hz, >6 standby). More: VFD and DO linked control →
Q：How do I size aerators and estimate power cost?Start from pond area, species and stocking density, then match aerator power and count; the sizing article walks through the arithmetic and the electricity bill. More: aerator sizing and power cost →
Q：How do multiple aerators coordinate?Staged starting: run half first and watch the DO climb, then add the next batch. That needs enough independent controller channels; the TK-R12 twelve-channel board switches them in groups. More: multi-aerator staging →
Q：If the internet drops, do aerators still start on their own?Yes. Control logic runs locally on the pond-side controller — no cloud dependency. During a 4G outage it keeps operating on thresholds and uploads data after reconnection. More: how TAYKEE works →
Multiple ponds are grouped in one account, each with its own thresholds (shrimp adjusted through moulting periods, polyculture set by the most sensitive species), with an overview screen and grouped alarms. More: multi-pond management →
Q：Shrimp pond and fish pond — same oxygen rules?No. Shrimp are far more sensitive and moult windows need higher, dynamically adjusted thresholds; fish ponds are more forgiving but still crash at night. More: shrimp vs fish pond oxygen →
Q：Is aquaculture IoT worth the money?Depends on stocking density, species value and how many ponds you run — the article lists four cases where it clearly pays and three where it does not. More: is IoT worth it →
Tell us your pond count, aerator size and current monitoring method — we reply within one business day with a suggested configuration and budget estimate.
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