I am not able to measure the brine tank but the plate we need to replace is 16 1/4" in diameter. Do you think your replacement plate would fit?

This grid plate is made for the "standard" 18" diameter tank. I think if you tried to cut-it-down, you'd reduce the rigidity of the plate itself. There are rectangular brine tanks (11x11, or 15x17"), but this would NOT fit those either. If you want a brine plate, you could buy a new 18" brine tank: https://www.amazon.com/Complete-Brine-Tank-Safety-Float/dp/B00AU3Q4HK/ref=sr_1_9?keywords=brine+tank&qid=1560004574&s=gateway&sr=8-9

My tank is 18" diameter but it chokes to 17" at the top opening. Is the plate flexible enough to force through the opening?

It is a stiff/tough plastic, but you might be able to flex it enough to overcome the 1" difference. You'd flex it "side-ways" then rotate it to fit the diameter of the brine tank. Since mine is in my brine tank currently, with salt covering it, I can't really take it out and check it for flexibility.

My 18 in. Brine plate seems to have a 3 and a half in hole, not a 4. Are they just calling it a 4 but it really isn’t?

The brine plate that I was replacing was part of a Kinetico water softener brine tank. The replacement was done a while back and can't remember if the hole was 3 1/2" or 4", but it was the correct plate for my system.

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18 Grid Plate for 18x33 or 18x40 Brine Tanks by Nelsen

Product ID: 146228476

Details

Brand
Nelsen
Color
White
Material
Plastic
Special Feature
Frameless
Style
Modern

📏Fits 18x33 & 18x40 tanks precisely

🧂4-inch brine well opening for optimal salt flow

🛡️Durable plastic with secure salt chunk tabs

€ 219.62

Duties & taxes included

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧂 Elevate your water softener game with the grid plate that fits like a glove!

OPTIMIZED SALT FLOW - 4-inch opening ensures efficient brine well access, maximizing water softener performance.
CHUNK FREE SALT STORAGE - Innovative edge tabs prevent salt chunks from falling, maintaining clean and consistent brine.
LIGHTWEIGHT YET DURABLE - Crafted from sturdy plastic weighing just 16 ounces for easy handling without compromising strength.
MODERN FRAMELESS DESIGN - Sleek white grid plate complements any setup with a clean, contemporary look.
UNIVERSAL FIT ZERO HASSLE - Designed to perfectly fit both 18x33 and 18x40 brine tanks for seamless installation.

The Nelsen 18 Grid Plate is a precision-engineered plastic salt grid designed for 18-inch brine tanks (18x33 and 18x40). Featuring a 4-inch brine well opening and secure edge tabs, it prevents salt chunk contamination while ensuring optimal brine flow. Lightweight and frameless with a modern white finish, it offers durability and a perfect fit, backed by a 4.7-star rating from over 300 users.

Specifications

ASIN	B01NARYE4L
Best Sellers Rank	#105,594 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #217 in Kitchen Sink Installation Parts #366 in Water Dispensers & Coolers
Brand	Nelsen
Brand Name	Nelsen
Color	White
Customer Reviews	4.6 out of 5 stars 336 Reviews
Finish Types	white
Global Trade Identification Number	00793842212228
Included Components	salt grid
Item Dimensions L x W x Thickness	18"L x 18"W x 4"Th
Item Type Name	18 Grid Plate for 18x33 or 18x40 Brine Tanks
Item Weight	16 ounces
Manufacturer	AFW Filters
Manufacturer Part Number	NARYE4L
Material	Plastic
Material Type	Plastic
Model Number	BT-1833-GRID
Number of Packs	1
Number of Pieces	1
Occasion Type	Christmas
Other Special Features of the Product	Brine Tank Compatibility
Pattern	Checkered
Product Care Instructions	Hand Wash Only
Reusability	Disposable
Seasons	All Seasons
Shape	Rectangular
Size	18"
Special Feature	Brine Tank Compatibility
Style	Modern
Style Name	Modern
UPC	793842212228 735343218934
Unit Count	18 Count

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TrustScore 4.5 | 7,300+ reviews

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