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Gypsum 100g (Calcium Sulphate)

In home brewing, gypsum (calcium sulphate) plays a key role in adjusting water chemistry to enhance beer quality. 

Raises calcium levels, which supports yeast health and fermentation.

Increases sulphate content, sharpening hop bitterness and making flavours crisper—especially useful for hop-forward styles like IPAs.

Lowers mash pH, improving enzyme efficiency during mashing and aiding sugar extraction from grains.

Promotes a cleaner, drier finish in beers.

Helps replicate the water profiles of famous brewing regions (e.g., Burton-on-Trent for pale ales).

Typically added during the mash or boil phase.

Dosage depends on your local water profile and beer style. A common starting point is 1 teaspoon per 5 gallons, but testing your water and adjusting accordingly is ideal.

A brewing additive to compensate water deficiencies for beers.

Also a perfect aid in Sherry fermentation. 

Common name for calcium sulphate.

Please note supplier may vary - picture for reference only

Gypsum 100g (Calcium Sulphate)

Regular price £1.92
.

Shipping calculated at checkout

38 UNITS AVAILABLE

SKU: 101337 - 4036

The Home Brew Shop Product Description

Gypsum 100g (Calcium Sulphate)

In home brewing, gypsum (calcium sulphate) plays a key role in adjusting water chemistry to enhance beer quality. 

Raises calcium levels, which supports yeast health and fermentation.

Increases sulphate content, sharpening hop bitterness and making flavours crisper—especially useful for hop-forward styles like IPAs.

Lowers mash pH, improving enzyme efficiency during mashing and aiding sugar extraction from grains.

Promotes a cleaner, drier finish in beers.

Helps replicate the water profiles of famous brewing regions (e.g., Burton-on-Trent for pale ales).

Typically added during the mash or boil phase.

Dosage depends on your local water profile and beer style. A common starting point is 1 teaspoon per 5 gallons, but testing your water and adjusting accordingly is ideal.

A brewing additive to compensate water deficiencies for beers.

Also a perfect aid in Sherry fermentation. 

Common name for calcium sulphate.

Please note supplier may vary - picture for reference only

Gypsum 100g (Calcium Sulphate) | The Home Brew Shop | 101337 - 4036
Gypsum 100g (Calcium Sulphate)

The Home Brew Shop FAQs

General Delivery Information

Due to the UK not being part of the EU we no longer offer any shipping to the EU.

Sorry to say We are not able to send any more products to NI due to the GSPR coming in to force on the 13th December 2024

We offer 24-hour and 48-hour Parcel Services, but this does not guarantee that the parcel will be received within this timeframe.

Normal delivery times are on average between 1-3 working days. But sometimes this can be longer During busy times like Christmas and Bank Holidays.

Heavy Parcels those over 1.5kg are delivered by DHL.

For those under 1.7kg We use Royal Mail 48 hour tracked service.

if a problem happens with the delivery please let us know and we will do our best to help, we can talk to DHL to help solve the problem.

We only know of the problem if you tell us about the problem, we can't help if we are not told about the issue.

1st orders with us, parcels will not be left with out a signature OR if we think they are a high value order over £120 parcels will need to be signed for.

Delivery Costs UK

UK Mainland Delivery Rates:

 All UK under 1.7kg: £3.30 + VAT = £3.96

  • Mainland UK over £72FREE (Some areas may have surcharges)
  • Mainland UK under £72 but over 1.7kg: £6.00 + VAT = £7.20 
  • Saturday Delivery to Mainland UK: £21.25 + VAT = £25.50
  • (Must order by 2pm Friday)Saturday Delivery Not Available Highlands & Islands

Saturday delivery to mainland UK £21.25 + VAT = £25.50 (we must have the order by, 2pm Friday).
Some postcodes we can't send on Saturday Delivery like AB 51.

Delivery Costs Highlands & Islands

Parcels are only sent on a 48 hour service, Sorry we can't offer a weekend delivery.

DHL Zone D

AB31-56, HS, IV, KA27-28, KW, PA 21-50, 60-78, PH4-44, 49-50, ZE, IM, TR.


Under 1.6kg: £3.30 + VAT = £3.96

Up to 27kg:       £13.50 + VAT = £16.20

27kg–54kg:       £22.50 + VAT = £27.00

54kg–81kg:       £31.50 + VAT = £37.80

81kg–108kg:     £40.50 + VAT = £48.60

108kg - 135kg: £49.50 + VAT = £59.40

135kg - 162kg: £58.50 + VAT = £70.20

162kg - 189kg: £67.50 + VAT = £81.00

Delivery Costs Channel Islands - Jersey and Guernsey

Parcels are only sent on a 48 hour service, Sorry we can't offer a weekend delivery Channel Islands Post Codes.

Jersey and Guernsey

  • Under packed weight 1.6kg: £3.30 (No VAT)
  • 1.7kg–25kg: £25.00 (No VAT) — 2–4 day service
  • 25.00kg–50kg: £40.00 (No VAT) — 2–4 day service
  • 50.00kg–75kg: £55.00 (No VAT) — 2–4 day service
  • 75kg – 100kg: £70.00 (No VAT) — 2–4 day service
  • 100kg – 125kg: £85.00 (No VAT) — 2–4 day service
  • 125kg – 150kg: £100.00 (No VAT) — 2–4 day service

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for Homebrew supplies for 55+ years

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Over £72.00 UK Mainland exceptions apply for most orders

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