Oase AquaActiv AlGo Fountain Water Feature Treatment
| Brand | |
|---|---|
| Container Size | 500ml, 5 Litres |
| Treatment Type | Fish-free fountain and water-feature treatment |
Algae, slime, odour and limescale control for fish-free fountains: 500ml for 200 litres or 5-litre concentrate for 10,000 litres.
Price range: £15.19 through £119.99 (inc VAT)
Oase AquaActiv AlGo Fountain Water Feature Treatment
Keeps fish-free ornamental fountains clearer and reduces algae, slime, odour and limescale
AlGo Fountain is formulated for ornamental fountains and decorative water features rather than living fish ponds. It helps control algae, bacteria, fungi, unpleasant odours, slippery biofilm and limescale deposits on compatible feature surfaces and equipment.
Choose the 500ml bottle for small domestic features up to 200 litres. The concentrated 5-litre pack is for large or multiple fish-free features and treats up to 10,000 litres. The two sizes are not dosed at the same simple one-to-ten ratio, so use the instructions for the exact pack selected.
What this treatment is designed to do
- Designed for indoor and outdoor ornamental water features.
- Acts against algae, odour and slippery biofilm.
- Helps prevent limescale deposits.
- Compatible with feature surfaces and technology when correctly used.
- Available for 200-litre domestic features and 10,000-litre commercial-scale systems.
How to use it responsibly
Remove loose deposits first, calculate the complete feature volume and dose the exact product as labelled. Maintain circulation for even distribution. Repeat only at the stated interval and investigate leaks, stagnation or excessive sunlight if the feature repeatedly fouls between treatments.
- Use biocides safely. Always read the label and product information before use.
- This product is for decorative features without fish or aquatic plants; do not use it in a living pond.
- Keep the concentrate away from animals and children and prevent access during dosing as the label directs.
- Overdosing can cause foaming and is not a shortcut to faster cleaning.
Calculate the real water volume after allowing for shelves, stone, pipework and filter chambers. If fish are distressed, oxygen is low or the water values are unsafe, stabilise the system before carrying out non-essential cosmetic treatment. Always retain the batch label and follow the current pack instructions, because formulation and regulatory directions can change.
Verified size and coverage information
| 500ml | For decorative features up to 200 litres — SKU 75803 |
|---|---|
| 5-litre concentrate | For decorative features up to 10,000 litres — SKU 40234 |
| Use | Fish-free fountains and ornamental water features |
| Not for | Living ponds with fish or aquatic plants |
Use it as part of the whole pond system
Browse our fountain pumps, fountain nozzles and pond treatments. For a living pond, choose a product whose label specifically covers fish and plants instead.
No bottled treatment replaces adequate filtration, oxygen, sensible feeding and routine removal of organic waste. Used for the correct problem, however, it can be a useful part of a measured maintenance plan rather than a guess-and-hope fix.
Frequently asked questions
Can AlGo Fountain be used in a fish pond?
No. It is intended for ornamental fountains and decorative water features without fish or aquatic plants.
Why does the 5-litre pack cover much more than ten times the 500ml size?
The 5-litre product is a different concentrated presentation. Follow the instructions for the exact SKU rather than scaling the smaller pack’s dose.
Will it remove existing thick limescale?
It helps prevent deposits and maintain surfaces, but established scale may need compatible physical or specialist cleaning after the feature is safely drained.



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