Best Cover For Water Trough: Compare Oval and Round Options

#1 · Best Overall

1. MQLD 100 Gallon Zipper Cover

• Weight: 0.47 kg
• Material: Polyester
• Material Type: Polyester

Best for: Zipper-access 100-gallon tanks.

Why it ranks #1: Its 54 x 35-inch dimensions target a 100-gallon oval trough, and the zipper lets users access part of the tank without removing the cover.

Zipper access at the seams lets you open part of this oval cover without lifting the whole cover, a useful option when you need access while keeping the rest covered. Its stated 54-by-35-by-6-inch dimensions target 100-gallon stock tanks, and the polyester cover includes a zippered storage bag.

The zipper opening changes the access routine: unzip a section for reaching the tank rather than removing the full cover each time. The listed 54-inch length, 35-inch width, and 6-inch depth give buyers concrete dimensions to compare with an oval tank before ordering. Polyester keeps the cover’s material straightforward, while the included storage bag provides a place to stow it when it is off the tank. The listing describes it as waterproof, but gives no separate waterproof rating.

Skip it if you need a cover for a 150-gallon tank; the MQLD 150 Gallon cover lists a larger 61-by-42-inch footprint.

Choose this for a 100-gallon oval tank when partial zipper access and a storage bag suit your routine. Its listed 54-by-35-inch footprint and 6-inch depth remain the key fit limits, so compare them with your tank.

Listed on Amazon as: Rubermaid 100 Gallon Oval Stock Tank Water Trough Cover with Zipper

#2 · Heavy-Duty Fabric

2. QEWTYI 100 Gallon 600D Cover

• Weight: 0.45 kg
• Material: Polyurethane
• Material Type: Polyurethane

Best for: Heavy-fabric 100-gallon tanks.

Why it ranks #2: The 54 x 35-inch size suits many 100-gallon tanks, and its listed 600D Oxford fabric and three-layer construction focus on weather protection.

A 600D Oxford fabric with three-layer construction is the QEWTYI cover’s defining feature, giving buyers a specified fabric structure for outdoor tank coverage. Its 54-by-35-by-10-inch size is listed for most 100-gallon stock tanks and similar-sized oval containers, with a storage bag included.

The 600D fabric’s three-layer construction and industrial-grade coatings are presented for resistance to harsh weather, making this a candidate for tanks kept outdoors. The 54-inch length and 35-inch width identify the intended 100-gallon oval footprint, while the 10-inch height gives another dimension to compare before installation. A storage bag is included for putting the cover away when not in use. The listing describes waterproof and dustproof protection, though fit still depends on matching the stated dimensions.

Skip it if you need zipper access to open only part of a cover; the MQLD 100 Gallon cover specifies zipper access at the seams.

This is a fit for owners of similarly sized 100-gallon oval tanks seeking a heavy-fabric outdoor cover and included storage bag. Its 54-by-35-inch footprint is the main boundary; compare the full dimensions before use.

Listed on Amazon as: 100 Gallon Stock Tank Cover-600D Ice Bath Covers Waterproof Dust Proof Anti-UV Cold Water Cover Keep Water Trough Clean for Horse Trough, Cold Plunge, Farm Water Tank Covers

#3 · Elastic-Bottom Fit

3. COSFUN 100 Gallon Elastic Cover

• Weight: 0.35 kg
• Material: Polyester
• Material Type: Polyester

Best for: Elastic-fit 100-gallon tanks.

Why it ranks #3: Its 53 x 31 x 6-inch dimensions target common 100-gallon tanks, while 600D Oxford fabric and an elastic bottom help secure the cover.

An elastic bottom is the key fit feature on this COSFUN cover, giving its 53-by-31-by-6-inch profile a way to sit around a similarly sized 100-gallon tank. The 600D Oxford fabric also has waterproof and anti-UV coating for outdoor debris and weather protection.

The elastic bottom helps hold the cover around the tank’s lower edge, making it the relevant feature for placement on a similarly sized oval stock tank. Its 53-inch length, 31-inch width, and 6-inch height identify the stated fit dimensions. The 600D Oxford fabric, waterproof anti-UV coating, and double-needle sewing are described as supporting weather protection and stronger construction. Keeping leaves, debris, and trash away can reduce the cleaning and maintenance time the listing highlights.

Skip it if you need a cover for a 150-gallon tank; the Polar Protector 150 cover lists a 60-by-42-inch footprint.

This suits owners of similarly sized 100-gallon oval tanks who want an elastic bottom and coated fabric for outdoor coverage. Its 53-by-31-inch footprint and 6-inch height define the fit boundary to check.

Listed on Amazon as: COSFUN 100 Gallon Oval Stock Tank Cover,Waterproof Dust Proof Anti-UV Ice Bath Cover,Keep Water Trough Clean(Elastic Bottom,Black)

#4 · Best 150-Gallon Fit

4. MQLD 150 Gallon Zipper Cover

• Weight: 15.2 oz
• Material: Oxford fabric
• Material Type: Oxford fabric

Best for: Strap-secured 150-gallon tanks.

Why it ranks #4: The 61 x 42 x 12-inch dimensions are listed for a 150-gallon tank, and a snap-lock strap helps secure the cover in wind.

A strong webbing snap-lock strap is specified to secure this MQLD cover against blowing away or caving in, giving 150-gallon tank owners a clear fastening feature. The 61-by-42-by-12-inch dimensions target that tank size, and the title identifies zipper access.

The snap-lock strap provides the listed method for securing the cover, with the description specifically addressing wind and caving concerns. At 61 inches long, 42 inches wide, and 12 inches high, its dimensions offer a concrete comparison for 150-gallon tanks and other listed outdoor uses. The title identifies a zipper, adding an access feature to consider alongside the strap. Oxford fabric is specified, and the description also names uses such as kids’ water tables, pet pools, and outdoor furniture.

Skip it if you need a 100-gallon cover; the MQLD 100 Gallon cover lists a smaller 54-by-35-inch footprint.

This suits owners of 150-gallon oval tanks who want a strap-secured cover with zipper access. Its 61-by-42-inch footprint and 12-inch height are the key fit limits; compare them with the tank before selecting it.

Listed on Amazon as: Rubermaid 150 Gallon Oval Stock Tank Water Trough Cover with Zipper

#5

5. Polar Protector 150-Gallon Cover

• Weight: 0.94 kg
• Material: Plastic
• Material Type: Plastic

Best for: Secured 150-gallon oval tanks.

Why it ranks #5: Designed for a 150-gallon oval tank, it lists 60 x 42-inch dimensions and adds handles, a buckle, and a drawstring for securing.

Handles, a tightening buckle, and a drawstring give this Polar Protector cover several ways to position and secure it around a 150-gallon oval tank. Its stated 60-by-42-by-10-inch dimensions and 600D canvas construction make the fit and fastening details central to the buying decision.

The handles on each side provide places to grip the cover during placement, while the buckle and drawstring add two listed ways to tighten it around the tank. The 60-inch length, 42-inch width, and 10-inch depth are specified for a 150-gallon oval plastic foam stock tank, so comparing those measurements is important before installation. The 600D canvas is described as waterproof and intended to keep debris, bugs, and other contaminants out, supporting cleaner tank maintenance between uses.

Skip it if you have a galvanized 2-by-2-by-6 tank; the Polar Protector 2x2x6 cover is specified for that tank type.

Choose this for a 150-gallon oval plastic foam tank when handles and multiple tightening points suit your setup. The listed 60-by-42-inch footprint and 10-inch depth define the fit boundary; it is not specified for galvanized tanks.

Listed on Amazon as: 150 Gallon Oval Stock Tank Cover Ice Water Therapy Ice Bath Cover Cold Water Cover 150 Gallon Oval Stock Tank Waterproof Rip Proof Tough Keeps Tanks Clean

#6

6. HOMSHIAM 100-Gallon Cover

• Weight: 0.31 kg
• Material: Polyester
• Material Type: Polyester

Best for: Small tanks in harsh weather.

Why it ranks #6: This oval 100-gallon option lists 210D waterproof Oxford fabric and a 53 x 31-inch footprint, though its stated 25-inch height merits checking.

A 210D waterproof Oxford cover with double stitching and an anti-ultraviolet coating combines specified weather-facing details for a small stock tank. HOMSHIAM lists dimensions of 53 by 31 by 25 inches and describes use against rain, dust, dirt, pollen, leaves, and bugs throughout the season.

The 210D Oxford fabric and precision double stitching are described as helping resist tearing, while the anti-ultraviolet coating is intended to limit fading during outdoor use. The listed 53-by-31-by-25-inch dimensions offer a concrete fit comparison for small stock tanks, though the listing advises checking tank size. The description also names above-ground pools and hot tubs as possible uses. Covering the tank can keep leaves and bugs out and reduce cleaning and storage work, including during winter use.

Skip it if you need zipper access without removing the whole cover; the MQLD 100 Gallon cover offers zipper access at the seams.

Consider this for a small outdoor stock tank when weather exposure and broad debris coverage matter. Its listed dimensions are 53 by 31 by 25 inches, so compare the tank’s shape and size before relying on the stated fit.

Listed on Amazon as: Waterproof Stock Tank Cover for 100 Gallon Stock Tank Oval

#7

7. Polar Protector 2x2x6 Cover

• Weight: 0.81 kg
• Material: Polyester
• Material Type: Polyester

Best for: Galvanized 2x2x6 tanks.

Why it ranks #7: It is specifically intended for galvanized 2 x 2 x 6-foot tanks and includes a reinforced strap, buckle, and adjustable drawstring.

A reinforced strap and buckle with an adjustable closure are specified for this Polar Protector cover, helping secure it on a galvanized 2-by-2-by-6 stock tank. Its 600D canvas construction is described as waterproof and intended to keep outdoor debris away from the water.

This cover is custom-specified for a galvanized 2-by-2-by-6 stock tank, which makes tank type and dimensions the first fit checks. The reinforced strap and buckle, along with the adjustable drawstring, provide listed fastening features for a snug fit. Its 600D canvas is described as waterproof and intended to block pollen, insects, leaves, and other debris, reducing what reaches the water. The stock tank is not included, so this listing is for the cover alone.

Skip it if you have a 150-gallon oval plastic foam tank; the Polar Protector 150 cover is specified for that tank style.

This fits owners of galvanized 2-by-2-by-6 tanks who want a debris-covering option with strap-and-buckle fastening. Its stated tank type and dimensions are a firm selection boundary, and the stock tank itself is not included.

Listed on Amazon as: Stock Tank Cover Ice Water Therapy Ice Bath Cold Water Fits 2 X 2 X 6 Galvanized 170 Gallon Tanks Waterproof Rip Proof Tough Keeps Water Clean

#8

8. iBirdie 2x2x4 Tank Cover

• Weight: 1.5 lb
• Material: 80% polyester 15% PU 5% UV resistant
• Material Type: 80% polyester 15% PU 5% UV resistant

Best for: Weather-exposed four-foot tanks.

Why it ranks #8: Its 49 x 26-inch dimensions target a 2 x 2 x 4-foot tank, with 600D fabric and a listed one-year manufacturer warranty.

The 600D weatherproof fabric gives this iBirdie cover a heavier stated material specification for outdoor stock tanks, while its 49-by-26-inch footprint targets a 2-by-2-by-4-foot tank. That combination helps buyers weigh fabric construction against a clearly stated fit range for a cold plunge.

The 600D fabric is described as enhanced weatherproof material, supporting outdoor coverage across changing conditions. Its 49-inch length and 26-inch width provide a direct comparison point for a four-foot tank, while the 12-inch listed height should also be considered in the fit check. One practical limitation matters in rain: this soft cover sags in the middle and accumulates water, so the supplied guidance recommends adding center support. Care instructions specify hand washing.

Skip it if you cannot add center support in rainy conditions; the QEWTYI 100 Gallon cover has a 600D three-layer construction.

Pick this for a four-foot stock tank when its dimensions suit and you can support the center during rain. The fabric and outdoor focus suit cold-plunge coverage, but the sagging behavior makes drainage support an important boundary.

Listed on Amazon as: iBirdie Outdoor Waterproof 2 x 2 x 4 Stock Tank Cover

#9

9. Gecic 2×4-Foot Oval Cover

• Weight: 0.51 kg
• Material: Polyester
• Material Type: Polyester

Best for: Compact four-foot oval tanks.

Why it ranks #9: This cover lists 49.2 x 27.6-inch dimensions for a 4 x 2-foot oval tank, making it a specific-fit choice rather than a general trough cover.

A 49.2-by-27.6-inch footprint gives this Gecic cover a defined target for four-foot oval stock tanks, helping buyers compare dimensions before setting it in place. The polyester cover is listed for 2-by-2-by-4-foot tanks and is described as a waterproof protector for stock tanks and cold-plunge tubs.

The specified 49.2-inch length and 27.6-inch width help narrow fit decisions for a four-foot oval tank, rather than relying on the broad title alone. Polyester construction suits a cover intended for outdoor tank protection, while manual installation means placement is a hands-on step. The product description identifies use with farm water tanks, cold-plunge tubs, and round-end stock tanks; the stated oval size is the practical boundary to check against your particular tank.

Skip it if you want zipper access while the cover stays partly in place; the MQLD 100 Gallon cover has a zipper opening at its seams.

This suits buyers covering a compact four-foot oval stock tank or cold-plunge tub who are comfortable placing a cover manually. Use the listed 49.2-by-27.6-inch footprint as the main fit boundary before choosing it.

Listed on Amazon as: 2X 2×4 Foot Oval Stock Tank Cover 4ft Water Trough Covers with Zipper

#10

10. Sobana 7–8-Foot Round Cover

• Material: Polyvinyl Chloride (PVC)
• Material Type: Polyvinyl Chloride (PVC)

Best for: Large round pool owners.

Why it ranks #10: Its 96 x 96-inch dimensions and cable-and-winch design suit a 7–8-foot round pool, not the oval troughs most relevant to this search.

A steel-core cable and molded winch give this Sobana round cover a tightening system intended to keep it firmly in place and prevent collapse. The 96-by-96-inch cover is listed for 7-to-8-foot round stock tank pools, distinguishing it from oval-tank covers.

The steel-core cable and molded winch work together as the listed tightening setup, giving owners a way to secure the cover around a round pool rather than simply laying it over the top. Its 96-by-96-inch dimensions and stated 7-to-8-foot round size set the compatibility range. The description specifies water-resistant 420D fabric with PVC waterproof coating, while care guidance calls for regular debris removal and drying completely before storage. A storage bag is included.

Skip it if you have a 100-gallon oval tank; the COSFUN 100 Gallon cover lists a 53-by-31-inch oval footprint.

Choose this for a 7-to-8-foot round stock tank pool when cable-and-winch tightening suits your setup. Its round 96-by-96-inch format is the key fit boundary, and regular debris removal and complete drying are part of care.

Listed on Amazon as: 7-8 ft Steel Round Stock Tank Pool Cover – Heavy Duty Waterproof Covers for Trough Pool, Wire Rope & Winch Design Increase Stability – Black