Top 10 Tetra Crystal Water Treatment UK – Water Garden & Pond Treatment

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Crystal Clear Pond Tint 473ml Water Treatment

CLEAR CRYSTAL - Turns water Shade of Blue. Crystal Clear Quality. Shades & protects Your Pond. Treats upto 16, 000 gallons or 72, 640 Litres. Non toxic Pond Dye.

2. Tetra

Tetra 232617 Pond Crystal Water 3 Litres

Tetra - Is effective within just a few hours. The active ingredients in crystalwater flocculate the clouding particles suspended in the pond water. Binds mineral turbidities. Harmful to sturgeon. This means that they can be removed more easily or can be better filtered out by the filter. Increases the depth of visibility of the pond water.
Weight0.56 kg (1.23 Pounds)
Part Number232617


HYDRA Crystal Green Algae Treats UpTo 10,000 litres + Pond Algae Green Water Treatment 1Kg

HYDRA - Very rapidly removes the Pond Green Water to give you Crystal Clear Water. For use with exterior Filter Box to Remove the Treated Algae. Shelf life 3 years, 1 kg Treats up to 10, 000 litres. 100% biodegradable, maintains Clear, Healthy & Clean Water in your Pond. Not harmful for fish, Biological Filters or Pumps Installed in the Pond.
ManufacturerHydra International Ltd
Height10 cm (3.94 Inches)
Length23 cm (9.06 Inches)
Width34 cm (13.39 Inches)
Part NumberHYD59701

4. Tetra

Tetra Pond Peat and Straw Extract Water Treatment for Naturally Clear Water 250 ml

Tetra - Especially recommended in spring when the metabolic activity of the upper plants is still too low. Provides humic acids that give the water of the basin a slightly brownish colour. Natural anti-algae for preventive action. Natural plant product composed of peat and barley straw. Helps reduce green water and floating algae.
Height18.2 cm (7.17 Inches)
Length4 cm (1.57 Inches)
Weight0.32 kg (0.7 Pounds)
Width7.5 cm (2.95 Inches)
Part Number163560

5. Tetra

Tetra AquaSafe to Turn Tap Water into Safe and Healthy Water for Fish and Plants, 250 ml

Tetra - Supports the fish's protective mucus layer, which may be damaged during maintenance. Contains natural extracts for clear, healthy water. Eliminates chlorine and chloramines. Supports the fish's ability to cope with the stress. Turns tap water into safe, healthy water for fish and plants. Adds iodine, magnesium, and vitamin b for health and vitality.
Height24.6 cm (9.69 Inches)
Length18.8 cm (7.4 Inches)
Weight0.28 kg (0.62 Pounds)
Width33.3 cm (13.11 Inches)
Part Number741744

6. Evolution Aqua

Evolution Aqua Pure Pond Bomb, for Crystal Clear Healthy Water, Treats up to 20,000 litres

Evolution Aqua - Safe to use in new or established, filtered or non-filtered, self-contained water features and ponds. Plant and pond life friendly – pure pond bomb does not contain any algaecides which can be harmful to fish, plant and pond life.

Fast acting, intensive treatment for your pond – for use in water quality emergencies or when making any changes to your pond system, such as adding new fish or changing diet. Natural, chemical free solution for crystal clear, healthy pond water – pure pond bomb contains beneficial bacteria and natural enzymes that rapidly break down organic waste leaving your pond clean and fish healthy.

Use pure pond bomb together with an appropriate UV Clarification to safely eradicate green water. Safe for fish and all ponds – pure pond bomb’s all natural ingredients only activate when needed. Award winning product, manufactured in the uk – voted product of the year by Practical Fishkeeping and AQUA. It is not intended to clear green water.
BrandEvolution Aqua
ManufacturerEvolution Aqua
Height6.5 cm (2.56 Inches)
Length10 cm (3.94 Inches)
Weight0.27 kg (0.61 Pounds)
Width10 cm (3.94 Inches)
Part Number21903
WarrantyManufacturer Fault

7. Swell UK

Swell UK Pond Green Water Control Treatment and Pond Cleaner | Crystal Clear Water with Natural Ingredients & Safe to Pond Fish and Livestock | Suitable for 12,000 Gallons / 54,000 Litres Pack of 2

Swell UK - Crystal clear water - swell control green water contains a mixture of friendly bacteria that can help reduce the levels of nutrients which encourage algae to grow. Cost effective - part of our own branded range, it is of equal if not better quality than leading brands and always at an everyday low price.

Easy to use - convenient sachets make this one of the most versatile products around with no messy measuring or dosing needed. Shop the range - why not also try our other excellent pond treatments for clearing blanket weed and Control Sludge? Safe to livestock - using natural ingredients these water soluble nuggets are completely harmless to fish and pond livestock.

Dosage - beneficial bacteria from one sachet suitable for 1000 gallons / 4546 litres, during spring, summer and autumn. It helps reduce nitrate and phosphate levels, aid the break-down of bottom sludge and odours, as well as helping to make the water less murky.
BrandSwell UK
ManufacturerSwell UK
Part NumberSWLATREAT-Parent


Biofilm Build-up 250ml Treats 7,500L Highest Dilution Rates, Green Water, HYDRA Fountain Clear – Best Water Feature Cleaning Fountain Cleaner Treatment Keeps Water Crystal Clear from Algae

HYDRA - Fountain water cleaner…. Maintenance dose Rate 1:30, birds equally effective in hard water. Rapidly removes algae in water feature, slime build-up in fountains and water features. If treated water splashes on surrounding plants and flowers, PLANTS AND OTHER AQUATIC LIFE.

Effective against Legionella Legionnaires' Disease. Discharge of the low concentrations commonly used in fountains and water features poses no environmental threat. Do not use in water systems with fish, safe for animals, it should not harm them. Shock dose rate 1:10, 000 Crystal clear clean fountain water… all year for use in both indoor and outdoor water features, saves hours of work manually cleaning your system. Non-foaming… safe to use on all types of materials like stones, resin, metals including stainless steel and brass.

Water feature cleaning… total protection against algae and green water in all water recirculation systems, simply shock dose system which will clear water in a couple of days. Fountain safe water feature cleaner, Shelf life 3 years. In use dilution this product is non-toxic, 000 For water feature care use the best fountain clear treatment complete water sterilisation, prevents harmful bacteria.
ManufacturerHydra International Ltd
Height14.5 cm (5.71 Inches)
Length9 cm (3.54 Inches)
Width5 cm (1.97 Inches)

9. envii

Envii Pond Klear – Green Pond Water Treatment Improves Water Clarity Down To 4°C – Treats Up To 20,000 Litres

envii - Beneficial bacterial treatment keeps water clean and ponds healthy. Unique bacteria work as well at 4°C as they do at 40°C, safe for all fish and wildlife. Can be used either as a treatment to clear water, or to prevent dirty water. Binds together suspended particles to reduce green, cloudy and murky water. 1 litre bottle treats up to 20, 000 Litres.

10. Tetra

Makes Tap Water Safe for Pond Fish, 500 ml, Tetra Pond AquaSafe

Tetra - Removes harmful chlorine and cloramine. Makes tap water safe for fish. Works immediately with long lasting effect. T380 .
Weight0.54 kg (1.19 Pounds)
Part NumberT380