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Spearguns, other than pneumatic spearguns, are powered with speargun rubber (also known as power bands). The rubber is pulled back and hooked into the notch of a spear by the bridle on the rubber.
Speargun rubber comes in different thicknesses (e.g. with an outside diameter of 13 mm, 16 mm, 18 mm, 20 mm etc.) and lengths (to suit the target "gun length" being the distance between the inside of the gun muzzle to the front of the trigger). We have top quality bulk rubber, which is normally cut to size, and you make up the speargun rubber. We also have pre-made circular and euro rubbers for some spearguns. For hand spears we carry pre-made rubbers as they tend to be all the same length.
You can buy lengths of speargun rubbers that you can then use to cut and fit your own power bands. This is suitable for experienced spearfishermen who have time to spend measuring and cutting their rubbers. However if you are a beginner you will be much better off buying pre-cut rubbers designed specifically for your speargun. This ensures you have the right length rubbers for your gun and that they are made from the most effective materials.
The thicker your speargun rubber is the harder it will be to load and the more power it will give. Alternatively, you could have two thinner rubbers that are easy to load but still provide maximum power. Twin 16 mm rubbers are ideal for most kinds of spearfishing unless you are hunting marlin or large tuna which may require several power bands.
As with any rubber product you need to store speargun power bands away from direct sunlight and extremes of heat. Store in a dry, dark place and spray with silicone lube before putting them away to keep them supple.
Giddiup
Reef Dive | 
Boat access
Depth: 14 m (46 ft) to 20 m (66 ft)
Discovered and named by a Seinfeld fan who when 'sounding' over this area did a great Kramer impersonation and yelled Giddiup! when he noticed this dive site's spectacular looking formations. The name stuck.
Giddiup is approximately 1 kilometre from the Point Lonsdale Light and clear of the shipping channel, just outside Port Phillip Heads. It's an amazing area of Bommies and underwater rock formations.
The strong current flow in this area has created a nutrient-rich environment and subsequently prolific marine growth and the associated marine life. But it's the amazing rock formations that make this dive site special.
Bass Strait Warning: Always keep an eye on sea conditions throughout any shore or boat dive in Bass Strait on Victoria's coastline. Please read the warnings on the web page diving-in-bass-strait before diving or snorkelling this site.
Crayfish Dive Site | © Ian Scholey
Divers have the opportunity to catch Southern Rock Lobster (aka Crayfish) at this dive site. Remember your catch bag, current Victorian Recreational Fishing Licence, rock lobster measure, and cray tags. Once you get back to the dive boat, or shore, make sure you clip the tail and tag your Crayfish as per Fisheries requirements. Please abide by all current fishing regulations if you intend to catch crays. See article-catching-crayfish for practical cray hunting advice from The Scuba Doctor, plus melbourne-cray-dives for a list of other crayfish dive sites near Melbourne. For tips on cooking your Crays, please see article-cooking-crayfish.
Wathaurong (Wadda-Warrung) country
Traditional Owners — This dive site is in the traditional Country of the Wathaurong (Wadda-Warrung) people of the Kulin Nation. This truly ancient Country includes the coastline of Port Phillip, from the Werribee River in the north-east, the Bellarine Peninsula, and down to Cape Otway in the south-west. We wish to acknowledge the Wathaurong as Traditional Owners. We pay respect to their Ancestors and their Elders, past, present and emerging. We acknowledge Bunjil the Creator Spirit of this beautiful land, who travels as an eagle, and Waarn, who protects the waterways and travels as a crow, and thank them for continuing to watch over this Country today and beyond.
Giddiup Location Map
Latitude: 38° 18.181′ S (38.303017° S / 38° 18′ 10.86″ S)
Longitude: 144° 36.769′ E (144.612817° E / 144° 36′ 46.14″ E)
Datum: WGS84 |
Google Map
Added: 2012-07-22 09:00:00 GMT, Last updated: 2022-04-06 18:18:43 GMT
Source: GPS
Nearest Neighbour: Lonsdale Bommies, 371 m, bearing 351°, N
Depth: 14 to 20 m.
Dive only on: Ebb.
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DISCLAIMER: No claim is made by The Scuba Doctor as to the accuracy of the dive site coordinates listed here. Should anyone decide to use these GPS marks to locate and dive on a site, they do so entirely at their own risk. Always verify against other sources.
The marks come from numerous sources including commercial operators, independent dive clubs, reference works, and active divers. Some are known to be accurate, while others may not be. Some GPS marks may even have come from maps using the AGD66 datum, and thus may need be converted to the WGS84 datum. To distinguish between the possible accuracy of the dive site marks, we've tried to give each mark a source of GPS, Google Earth, or unknown.
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