News & guides

Maintenance schedules, dissolved oxygen management and canvas-pond farming notes from our engineers.

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Industry NewsAug 22, 2026

Microporous Aeration Tube Maintenance: Cleaning, Lifespan & Replacement

The Short Answer Clean microporous aeration tubing after every harvest and monthly during operation: run the blower at 1.2–1.5× normal press…

Industry NewsAug 22, 2026

Galvanized Canvas Fish Pond: High-Density Farming Setup Guide

The Short Answer A galvanized canvas fish pond is a galvanized steel frame + PVC/TPO canvas liner that assembles on flat ground in 1–2 days,…

Industry NewsAug 22, 2026

Dissolved Oxygen Management in Shrimp Farming: A Practical Guide

The Short Answer Keep dissolved oxygen (DO) at 4–6 mg/L at the pond bottom for most farmed shrimp species: growth slows below 3 mg/L and mor…

Industry NewsAug 21, 2026

Aeration Tube vs Aeration Disc: Which Diffuser Fits Your Pond?

The Short Answer Use aeration tubing for rectangular ponds, long raceways, and any pond where you want even oxygen distribution along the bo…

Industry NewsAug 21, 2026

Complete Aeration System: From Blower to Pond Bottom — a Field Guide

The Short Answer A complete bottom aeration system has five parts: roots blower → main pipe → branch pipes → microporous aeration tubing → v…

Industry NewsAug 20, 2026

Fine Bubble vs Paddle Wheel Aeration: Real Energy Comparison

The Short Answer For a given dissolved oxygen (DO) target, microporous bottom aeration uses roughly 0.15 kW per mu (667 m²) of pond — about…

Industry NewsAug 20, 2026

How to Choose Aeration Tubing for Shrimp Ponds

The Short Answer For most shrimp ponds, choose microporous aeration tubing with a bubble diameter of 0.3–2 mm in freshwater (0.5–3 mm in sea…

Industry NewsAug 20, 2026

Roots Blower Sizing for Aquaculture Ponds: A Practical Guide

The Short Answer Size your roots blower in two steps: air flow (FAD) = tubing length × 0.1–0.4 m³/h per metre, and pressure = water depth pr…

Industry NewsAug 18, 2026

Fine Bubble vs Paddle Wheel Aeration: The Real Energy Comparison

Paddle wheel aerators have been the default for decades. But as energy costs rise, more farms are switching to fine-bubble bottom aeration —…

Company NewsAug 18, 2026

The Complete Aeration System: From Blower to Pond Bottom

Aeration is a system, not a single machine. Every component affects the final dissolved oxygen level in your pond. Here is how the complete…

Industry NewsMay 17, 2023

How to Choose a Roots Blower for Aquaculture Aeration

1. Consider the farming area Blower size depends on your pond area and stocking density. High-density greenhouse ponds need more air, so cho…

Industry NewsMay 2, 2023

Types of Aeration Equipment in Aquaculture: Pros and Cons

Common aeration devices in aquaculture include aerators, floating aerators, disc aerators and oxygen sprayers. Their main advantages and dis…

Industry NewsApr 19, 2023

Roots Blowers in Aquaculture: Benefits and Operating Notes

Aquaculture blowers are air blowers used in fish farming. Their main benefits include: 1. Better water quality. The blower disperses gases a…

Industry NewsApr 8, 2023

Cold Snap and Heavy Rain: How Fish Farmers Can Cut Their Losses

During rain 1. Watch the water quality. Muddy water enters ponds either through the water source or over the banks. Mud, sand, branches, lea…

Installation GuidesMar 16, 2023

Efficient Pond Aeration Techniques and Operating Notes

1. Bottom microporous aeration This is currently the most popular aeration method in aquaculture. It uses high-density aeration tubing (e.g.…

Industry NewsMar 2, 2023

Spring Aquaculture Technical Guide

Spring weather changes quickly: water temperature rises gradually while day-night temperature differences stay large. This is a critical per…

Installation GuidesFeb 24, 2023

Efficient Pond Aeration: It's a Technical Job

Compared with traditional paddle-wheel aerators, microporous tubing aeration saves about 30% of electricity on average, cuts disease inciden…

Industry NewsFeb 20, 2023

Early Spring Aquaculture: Key Management Notes

In early spring, different time points call for different management measures. Here is what fish farmers should pay attention to. 1. Pond cl…

Installation GuidesJan 17, 2023

Submersible Air Blower: Installation and Operating Notes

Before installation Check the nameplate on the submersible blower: model, outlet size, rated frequency, phase, voltage, current, pressure an…

Industry NewsDec 8, 2022

Managing Your Aquaculture Pond Through Severe Winter Weather

Winter temperature swings are large. Farmers should watch weather forecasts closely and prepare emergency measures in advance — especially f…

Industry NewsNov 30, 2022

Roots Blower Noise Control: Sources and Practical Solutions

1. Where Roots blower noise comes from Roots blower noise has three sources: mechanical noise, electromagnetic noise and airflow noise. Mech…

Company NewsOct 20, 2022

Rare, High-Quality Aquaculture Grown at High Density in Chongming

Smart temperature control, biological water purification, species-separated farming… at an aquaculture cooperative in Xinhe Town, you will n…

Industry NewsSep 16, 2022

Dissolved Oxygen in Fish Ponds: What Levels Are Too High or Too Low?

1. The dangers of too much dissolved oxygen A slight rise in dissolved oxygen is already harmful to egg hatching and fry, making them prone…

Industry NewsAug 13, 2022

Emergency Management for Yellow Catfish Farming in Extreme Heat

Temperatures and water temperatures have kept climbing — air temperature reached 40 °C for days in a row, and water temperature at 1 m depth…

Industry NewsAug 10, 2022

Channel Catfish Ponds in Extreme Heat

August brings sustained heat — air temperatures above 39 °C — and channel catfish farming gets hard. The main problems in high heat: 1. Oxyg…

Company newsJul 18, 2022

Galvanized canvas fish pond water-system design

Zero-discharge land-based circulating system: a 400 m³ canvas pool body suits a purification pond of about 5 mu at 2 m depth — too large was…

Industry NewsJun 15, 2022

Technical Guide: Mixed Farming of Grass Carp and Crucian Carp

1. Pond conditions Choose ponds with inlet and outlet channels, reliable water supply and drainage, complete power equipment, convenient tra…

Industry NewsMay 17, 2022

The Role of Roots Blowers in Wastewater Treatment

Aeration Roots blowers are used in wastewater treatment to bring the water into full contact with air — dissolving oxygen into the water and…

Industry newsMay 3, 2022

Canvas Fish Pond Farming: Suggestions and Precautions

Set up a dedicated fry pond: a 1.4 m-high pond at 1.3 m water depth suits large fish, but most species grow best at about 60 cm water depth…

Company NewsApr 29, 2022

28-Mu Pond, 11 Aerators, Two Extra Batches

Twelve years of fish-duck co-farming — and the management tricks to show for it Chen Chao has farmed grass carp for 12 years on a 28-mu pond…

Company newsApr 25, 2022

What are the benefits of aquaculture in the galvanized canvas pool?

Compared with traditional mud ponds: lower production cost and faster return; wear-resistant, tear-resistant, high-strength and durable; no…

Company NewsMar 23, 2022

Nano-Tube Microporous Aeration in River Crab Farming

At the crab pond of Liu Tianwu, a large-scale crab farmer in Haiqiao Village, Quantang Town, Wuwei County, a press of the button sends strin…

Company newsMar 14, 2022

Galvanized canvas fish ponds in the modern factory-farming mode

Installation is more flexible than a traditional pond: it fits into spare space and covers a relatively small area. Stocking density is high…

Company newsFeb 28, 2022

A new aquaculture mode — the galvanized sheet PVC canvas pool

1 mm galvanized sheet is reinforced, rust-proof, aging-resistant and long-lasting. The circular support spreads stress evenly at every point…

Industry NewsFeb 18, 2022

Factory & Greenhouse Vannamei Farming Guide

1. Strict temperature control Prevent temperature-change stress in the shrimp, which leads to disease. Feed immune enhancers such as vitamin…

Company newsFeb 9, 2022

Galvanized canvas fish pond — high-density aquaculture

The galvanized canvas fish pond combines galvanized sheet and canvas: the wave-profiled galvanized panels strengthen the load-bearing capaci…

Company newsJan 24, 2022

Modern factory aquaculture — advantages of the galvanized canvas pool

Low cost with high wear and tear resistance and easy maintenance. No need to dig or build ponds — assembly and disassembly are simple, savin…

Company NewsJan 12, 2022

Daishan County, Zhoushan: Two Farms Trial Nano-Tube Aeration for Vannamei Shrimp

Two vannamei (Pacific white shrimp) farms in Daishan County are currently trialling nano-tube aeration technology. Compared with conventiona…

Company newsJan 6, 2022

Advantages of the round galvanized canvas fish pond

The galvanized canvas pool adapts widely: long anti-corrosion life, no rust, windproof, sun- and rain-proof, usable indoors or outdoors. Tre…

Industry NewsDec 15, 2021

Dissolved Oxygen in Aquaculture Ponds: What You Should Know

Dissolved oxygen is widely known as the soul of aquaculture — its fluctuations indirectly reflect the state of every other water-quality ind…

Installation GuidesNov 12, 2021

Operating a Three-Lobe Roots Blower Aerator: Installation and Use

1. Installation requirements for the Roots blower 1. The foundation must be firm with a level surface, raised 10–25 cm above the ground. 2.…

Industry NewsOct 12, 2021

Roots Blower + Microporous Aeration: Seven Key Advantages

A Roots blower with a microporous aeration system has seven key advantages: 1. High oxygen-transfer efficiency. Ultra-fine pores produce ver…

Industry NewsSep 23, 2021

pH Value: One of the Three Key Water-Quality Indicators in Aquaculture

pH (acidity/alkalinity) is an important water-quality indicator. In a farming water body, pH reflects water-quality changes very directly —…

Industry NewsAug 10, 2021

Main Types of Modern Facility Aquaculture

Facility aquaculture mainly includes factory-style farming, cage farming, artificial reefs and marine ranching. Since the 1970s, facility aq…

Industry NewsJul 15, 2021

July Farming Notes for Giant Freshwater Prawn (Macrobrachium rosenbergii)

In July, giant freshwater prawn farming enters the middle-late stage, and farmers gradually start netting and selling prawns. Judging from t…

Industry NewsJun 8, 2021

Advantages of Three-Lobe Roots Blower Microporous Aeration

1. Thoroughly improves bottom-layer oxygen shortage. Bottom-layer oxygen deficiency in a farming water body is one of the main causes of bot…

Industry NewsMay 19, 2021

How Dissolved Oxygen Affects the Growth of Half-Smooth Tongue Sole

The half-smooth tongue sole (Cynoglossus semilaevis), like the turbot, is a bottom-dwelling fish. But unlike turbot, the tongue sole does no…

Industry NewsApr 19, 2021

Aerators and Underwater Microporous Tube Aeration Technology for Farming Water Bodies

To reduce fry mortality, increase production and improve returns, farmers commonly use biological, chemical and physical methods to add oxyg…

Industry newsMar 13, 2021

Dissolved oxygen management in aquaculture

Excreta and inputs left in the water can pollute the pond if not controlled. pH strongly affects fish — acidic water reduces blood oxygen ca…

Company newsNov 9, 2020

The advantage of using a microporous aeration disc

Microporous bottom aeration produces small bubbles that rise slowly with a large water-contact surface, raising dissolved oxygen throughout…

Industry newsOct 19, 2019

What pH does to fish and water — and how to adjust it

pH strongly affects water quality and aquatic life. The general target is pH 7.5–8.5, slightly alkaline. Low pH makes phosphate fertilizer f…

Company newsApr 22, 2018

Dissolved oxygen rate of microporous aerators

Whether aeration pipe can be laid at the bottom depends largely on how much silt the pond bottom carries. With heavy silt, direct straight-p…

Company newsOct 16, 2017

The variable microporous aerator

The variable microporous aerator opens its membrane micropores under air pressure for uniform aeration and closes them under water pressure…

Industry newsOct 14, 2017

Anaerobic/aerobic operation for nitrogen and phosphorus removal

In activated-sludge treatment, an anaerobic/aerobic reactor sequence supports both nitrogen and phosphorus removal. The anaerobic section cr…

Industry newsAug 21, 2017

The role of microorganisms in aquaculture environmental remediation

Microorganisms act directly or indirectly on the farmed species and the environment: they decompose feces, feed residues and phytoplankton r…

Company newsMar 28, 2017

Using the aerator in different periods

How a variable microporous aerator works: gas enters the branch pipe from the main intake, passes through the connector into the gap between…

Industry newsJun 16, 2016

The difference between aerobic and anaerobic bacteria

By their relationship to oxygen, microorganisms divide into aerobic and anaerobic types, further split into five classes: obligate aerobes (…

Company newsMay 28, 2016

Air output of microporous aerators and how to size your blower

A commonly used 16×10 mm high-density nanotube delivers about 0.002–0.005 m³/min effective gas per meter; low-density tubing gives about 0.0…

Industry newsFeb 23, 2016

Scientific sediment management is the key to a stable algae ecosystem

Algae photosynthesize and grow every day, constantly consuming nutrients from the water. Nitrogen and phosphorus come from daily feed, and c…

Company newsDec 12, 2015

Maintenance of the aerator

Daily: check the motor — rotation sound, bearing condition; check the reducer for oil leakage; check the impeller for deformation or damage;…

Company newsFeb 12, 2015

Daily maintenance of Roots fan

Check the fastening of each part and whether the locating pins are loose. Confirm there is no oil leakage from inside the blower body, and n…

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