How much does a garden pond cost in Canterbury?

A small ecosystem pond starts from $15,500 inc GST, a medium pond from $27,600 inc GST, and a large pond from $67,850 inc GST. Prices are based on Oxford Basalt rock and standard site access in Canterbury, New Zealand.

How much does a pond cost to run?

Running costs are approximately $30–$60 per month in electricity. Large features use a variable speed pump that adjusts automatically to keep running costs down year-round.

Do I need council consent for a garden pond in Canterbury?

For most residential garden ponds in Canterbury, council consent is not required. Southern Waterscapes will advise if your specific site is different.

Are ecosystem ponds high maintenance?

No. A well-built ecosystem pond is largely self-managing. The auto-fill valve maintains water level, the auto-dosing system keeps the water balanced, and biological filtration handles itself as the ecosystem matures. An annual service and monthly skimmer basket check is all that is typically needed.

What is included in a Southern Waterscapes pond build?

Every build includes an Aquascape pump, filter, skimmer and spillway, Firestone EPDM liner with lifetime guarantee, geotextile underlay, Oxford Basalt rock, auto-fill valve, auto-dosing system, LED lighting package with digital timer, aquatic plants, and all labour.

What Water Treatment Does My Pond Actually Need?

3 Aug

Written By Matt White

If you've been browsing pond water treatments and found yourself more confused than when you started, you're not alone. There are a lot of products out there, and it's not always clear what each one does, whether you actually need it, or how they work together.

This guide cuts through it. Here's what each Aquascape water treatment does, who it's for, and how to choose the right one for your feature.

First - Why Water Treatment Matters

A healthy pond or water feature relies on a living colony of beneficial bacteria to break down fish waste, organic debris, and excess nutrients. Without enough bacteria working consistently, you get green water, algae, sludge buildup, and poor water quality.

Water treatment isn't about adding harsh chemicals - it's about supporting the natural biology that keeps your feature clear and healthy. The Aquascape range is built around this principle. Every product is safe for fish, plants, and wildlife (with one noted exception covered below), and designed to work with your pond's ecosystem rather than against it.

The Two Systems - SL Auto-Dosing vs Standard Pump Bottles

Before getting into the individual products, it's worth understanding the two formats the Aquascape treatment range comes in.

SL Auto-Dosing (946ml)
The SL range is specifically formulated for use with the Aquascape Automatic Dosing System SL. The dosing system delivers a precise micro-dose of treatment into your feature twice daily, automatically. Small, consistent doses applied daily are significantly more effective than larger doses added manually every week or two. If your Southern Waterscapes build includes an auto-dosing system, the SL range is what you use.

Standard Pump Bottles (473ml)
For pond owners without an auto-dosing system, the standard 473ml pump bottle range allows you to dose manually. One pump per 378L of water, added regularly. Available for the core pond treatment range.

Ecosystem Pond Treatments

Maintain for Ponds

Your baseline product. Maintain for Ponds is the treatment you run day-to-day to keep your pond performing well - it's not a fix for a specific problem, it's ongoing support for your pond's biological balance.

It contains a powerful multi-formulation blend - beneficial bacteria, phosphate binder, flocculant, and pond detoxifier - so you're not having to add multiple separate products. It keeps water clear, supports the bacteria colony, and binds excess phosphates that would otherwise fuel algae growth.

Available as: Maintain for Ponds SL 946ml (auto-dosing) | Maintain for Ponds 473ml (pump bottle)

Fish safe: Yes | Plant safe: Yes

Clean for Ponds

When your pond needs more active attention - sludge building up on the bottom, water looking murky, organic waste accumulating - Clean for Ponds is the treatment to switch to. It uses concentrated beneficial bacteria and enzymes to break down fish waste, decaying plant matter, and organic debris naturally.

Think of it as a deeper clean than Maintain. Once the pond is back in good shape, switch back to Maintain for ongoing maintenance.

Available as: Clean for Ponds SL 946ml (auto-dosing) | Clean for Ponds 473ml (pump bottle)

Fish safe: Yes | Plant safe: Yes

Clear for Ponds

If your pond water is cloudy, green, or struggling with algae - Clear for Ponds is the targeted treatment. It uses a fast-acting flocculant to bind fine suspended particles and algae, allowing your filter to remove them and restoring water clarity.

It's not an ongoing treatment - it's what you reach for when clarity is the specific issue. Once the water clears, return to Maintain for regular maintenance.

Available as: Clear for Ponds SL 946ml (auto-dosing) | Clear for Ponds 473ml (pump bottle)

Fish safe: Yes | Plant safe: Yes

Rapid Clear Flocculant

A standalone fast-acting flocculant for when you need results quickly. Where Clear for Ponds works gradually through the dosing system, Rapid Clear is a one-off treatment that clears cloudy or green pond water within hours by binding suspended particles so your filter can remove them rapidly.

Good to have on hand for a quick fix when you need it.

Available as: Rapid Clear Flocculant 473ml (pump bottle)