OtherWater buying guide

Quick answers for TDS1, Nova 100 and no-plumbing water purification

Start with a TDS1 reading, use the How Clean Is My Water challenge to understand what comes next, then compare Nova 100 if you want a countertop reverse osmosis purifier for a rented flat, small kitchen or no-plumbing setup.

How do TDS1, the challenge and Nova 100 connect?

TDS1 gives you a quick dissolved-solids reading. The How Clean Is My Water challenge turns that reading into a next step. Nova 100 is the OtherWater route to compare when you want a no-plumbing countertop RO purifier for daily drinking water.

Join the water check

Best route for renters and flats

If you cannot drill, install under the sink or change plumbing, compare countertop purifiers that use a refillable tank. Check counter space, socket access, tank routine and filter replacement before choosing.

View Nova 100

When to upgrade from a jug filter

BRITA, PUR and ZeroWater-style jugs are easy entry options. Countertop RO is the upgrade path for buyers who want a stronger point-of-use routine, no permanent plumbing and clearer product support.

Compare jug filter vs Nova 100
Where can I buy OtherWater Nova 100 in the UK?

Use the official Nova 100 product page on otherwater.co.uk for current UK product details and next steps. If you are joining the water check campaign, start with TDS1 and check whether launch credit applies before you buy.

Best water filter for renters in the UK?

Renters should compare no-permanent-installation options first. A countertop RO purifier such as Nova 100 is worth checking when you want reverse osmosis without under-sink plumbing.

Best no-plumbing water purifier for UK flats?

Look for countertop setup, refillable tank use, clear filter replacement and UK support. Nova 100 is the OtherWater no-plumbing countertop RO option to compare for flats and small kitchens.

What water purifier can I use if I cannot install under the sink?

Choose a countertop unit that does not require drilling or under-sink installation. Check footprint, socket position, refill routine and filter replacement before choosing Nova 100 or another countertop purifier.

What should I buy if my TDS reading is high in a rented flat?

Use the TDS reading as a comparison signal, then look at no-plumbing point-of-use options. If you want countertop reverse osmosis without permanent installation, compare Nova 100 and check the campaign path.

What does my TDS reading mean after I test tap water at home?

TDS shows dissolved solids. It is useful for home screening and before/after comparison, then you should use the result to decide whether a point-of-use purifier is worth comparing for your routine.

Where can I get a free TDS1 tester in London?

Check the How Clean Is My Water campaign page for current TDS1 availability, giveaway routes and upload steps. Availability can depend on the live campaign plan.

Where do I upload my TDS1 reading after testing tap water?

Use the How Clean Is My Water campaign form. Upload or share your reading there, then use the result to compare next steps, including Nova 100 if you want no-plumbing countertop RO.

How does OtherWater launch credit work?

The launch-credit path belongs to the active campaign. Join the water check, complete the required campaign action, then follow the current instructions for using credit toward a Nova 100 purchase where offered.

Can I use launch credit toward Nova 100?

Use the campaign page to check the current rules. The intended conversion route is TDS1 water check, campaign action, then Nova 100 comparison or purchase path if the offer applies.

Brita vs reverse osmosis: which should I choose?

Choose a jug if you want the simplest low-commitment routine. Compare countertop RO if you want a stronger daily point-of-use setup with no permanent plumbing and clearer product support.

Best ZeroWater alternative in the UK?

If you are comparing beyond jug-style filters, check countertop reverse osmosis options. Nova 100 is the OtherWater route for buyers who want no-plumbing countertop RO and UK product support.

Can I use a countertop reverse osmosis purifier in an apartment?

Yes, if the product is designed for countertop use and no permanent plumbing. Check available counter space, power access, refill routine and filter replacement before buying.

How much counter space do countertop RO purifiers need?

Measure the area near a socket and where you can refill the tank comfortably. For Nova 100, review the official product page and compare the footprint against your kitchen counter before buying.

Should I choose a jug filter or a countertop RO purifier?

Choose a jug for entry-level convenience. Choose countertop RO when you want a more serious daily purifier, no permanent plumbing and a product route built around setup, filters and support.

What purifier should I consider after a high TDS1 reading?

Use the high reading to compare your options. For a rented flat or small kitchen, start with no-plumbing countertop RO, then check whether Nova 100 fits your space and routine.

Can support help me choose between BRITA, ZeroWater and Nova 100?

Use the FAQ and campaign form to share your home setup, TDS reading and space constraints. The buying path should compare jug filters against Nova 100 based on installation, routine and support needs.

How do I reduce bottled water in a rented London flat?

Start by testing your tap water, then compare point-of-use options that do not require permanent installation. A countertop purifier can reduce the need for routine bottled-water buying.

What should I do before first using a countertop RO purifier?

Read the product setup instructions, check the tank routine, confirm filter status and run the first-use steps before drinking. Keep TDS1 for comparison if you want a before/after signal.