Master trainer Chris Waller has given the under siege Gold Coast track his seal of approval, saying the new section of grass has “no movement at all” and is ready to race on come Saturday.

Police are testing discarded weed spray nozzles found at the Gold Coast Turf Club as the mystery deepens into how the track was poisoned ahead of the city's Magic Millions race day.

Queensland’s premium racetrack has been put on standby to host Saturday’s super rich Magic Millions meeting, with the Gold Coast facing a race against the clock to be ready in time.

Detectives are investigating a damaged race track which has forced the relocation of the start of the highly anticipated Gold Coast Magic Millions racing carnival.

Operation Save Magic Millions is in full swing with interstate turf experts and machinery arriving on the Gold Coast to repair the poison-damaged track, as organisers race the clock to have it ready for Saturday’s carnival showpiece.

Poisoned turf has caused the relocation of the Magic Millions twilight race meeting from the Gold Coast to the Sunshine Coast. Saturday's $6 million meeting was moved to the Sunshine Coast Turf Club after jockeys voiced safety concerns.

One of the world's richest horse race meetings — the final day of the Gold Coast Magic Millions — is scheduled to run in six days, but the venue is still up in the air after "discolouration" to the track.