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Re: scuba boots / booties maintenance
" 1. Rinse your booties in clean, freshwater after each dive and allow them to dry thoroughly before storing. After a div, your booties will be covered in a salty residue and/or dirt. This must be rinsed clean to prevent the neoprene from degrading. Your scuba booties must be completely dry before storing to ensure the neoprene stays clean, odor-free and free of mildew or mold.
2. Scuba bootie zippers should be lubricated occasionally to prevent degradation of the metal or plastic.
3. Always store your scuba booties out of direct sunlight. Direct sunlight will break down the neoprene after years of exposure.
4. Periodically machine or hand-wash your scuba booties. A good rinse after each dive helps to keep your booties clean, but to ensure there is no residue or grit left on your booties you must properly clean them on a regular basis. You can purchase a commercially prepared neoprene shampoo, zipper lubricant/desalter and a neoprene sealant to thoroughly clean and seal your scuba booties. A commercial shampoo and sealant are specifically manufactured to care for your neoprene and is the recommended method for proper maintenance.
5. Any holes in the neoprene on your scuba booties can be fixed using a commercial wet suit cement.
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did you check your bulletins from scuba pro ? depending on the actual year of mfg ( you can call scuba pro and give them serial number )
there was a retro fit kit made for the mk 25 first stage of you send me your email i will send the bulletin to you
other wise if you wew working from an earlier service guuide then you would notbe aware of the retro fit kits and pistons some of the earlier schematic will not show you that o ring that you were refering to
it is simply housed in a rubber housing. it is an air integrated computer so the hose will connect to the computer through the bottom. Just peel the rubber housing back away from the face and pop it out the front.
"The shape of the scuba mask and the silicone skirt on the mask must conform to the shape of your face to provide you with a comfortable fit. Ensuring the silicone skirt is a high-grade, flexible silicone can help to ensure the scuba mask conforms to the shape of your face and the long life of your scuba mask. Some people are allergic to different types of rubber, if you have an allergy to rubber, be sure to choose a silicone scuba mask because silicone is hypoallergenic. Always talk to your scuba diving gear retailer about the alternatives available to you.
When trying on scuba masks you will notice the different shapes of the nose pockets. The nose pocket protects and cushions your nose, helps to keep your scuba mask from fogging during a dive and helps you to maintain equalization. Ensure the size and shape of your nose pocket is comfortable; not too tight and not too large. This will improve not only the comfort of your scuba mask, but your ability to purge your mask efficiently.
There are increasingly different styles of scuba mask straps on the market. You may like the factory issue strap on your scuba mask or you may want to purchase a separate strap. Scuba mask straps are available in a single strap or a double strap design. The single strap should wrap around the centre of the back of your head. The benefit of the double strap is that you can position the top strap on the upper part of your head and the bottom strap on the lower part of your head to offer extra stability and comfort. Most scuba mask straps are rubber or silicone and fasten with a post-hole belt enclosure. Newer scuba masks offer a slide-lock type enclosure, which allows you to adjust the scuba mask quickly and easily when wearing the mask.
Scuba masks are constantly improving. If you wear prescription glasses or contact lenses on a daily basis you can purchase a scuba mask without having to wear your glasses or contact lenses under your mask. Many manufacturers will create custom scuba masks which include your prescription in the front lens.
A good sign you have chosen the right scuba mask for your face is when the mask stays on your face comfortably without using the straps to hold it in place. You should try this simple test with each scuba mask you try on for the first time:
See our choices for scuba masks
1. Place the scuba mask over your eyes and mouth ensuring the mask is in the correct position.
2. Take a quick, light breath in through your nose and immediately start to breathe through your mouth as if you are scuba diving. This will create a slight suction between the scuba mask and your face. The scuba mask should stay on your face. If you must push the scuba mask against your face, or inhale repeatedly to help the mask stay on your face, the mask is not a good fit.
3. Keep the scuba mask on your face for approximately one minute. This will help you to determine how tight the seal is and how comfortable the mask is on your face.
4. Exhale gently through your nose to release the seal on your scuba mask and remove the mask from your face.
There should be no mark on your face from the scuba mask. If there is a red line around your face from the seal of the mask, the seal was too tight or the mask is not the proper size for your face. Try the test a second time. If you still have a red mark on your face after you remove the mask, you need to continue your search for a scuba mask. Remember, a good scuba mask is one that's comfortable, doesn't leak and is easy to use."
" 1. Use a defogging solution before every dive, even when diving more than once in the same day. This will prevent your scuba mask from fogging during a dive. You can purchase a commercially prepared defogging solution from any reputable scuba diving retailer. Squeeze a drop or two onto the inside lens of your mask and gently rub the solution around to cover the inside completely. Dip your mask briefly into water, swirl the water around the inside of your mask very quickly and empty the water from your mask. A quick rinse will remove any excess defogging solution from the inside of your mask. You do not want to get defogging solution in your eyes, especially while diving, since it can cause stinging and irritation. If you don't want to use a commercially prepared defogging solution you have a defogging solution readily available and it's free, your saliva. Your saliva will prevent your scuba mask from fogging just as well as any commercial defogging solution. The enzymes in your saliva stick to the lens of your mask like a commercial defogging solution and you will never find yourself without a defogger while on a dive.
2. Never lay your scuba mask face-down on any surface. Salt, sand and grit will scratch the lens of your mask. Always place your mask face up when you are not wearing it or if it is not in its hard case.
3. Rinse your scuba mask in clean, freshwater after each dive and dry it thoroughly before storing it in its hard case. After a dive, your mask will be covered in a salty residue and/or dirt. This must be rinsed clean to prevent the silicone on your mask from degrading. Your mask must be completely dry before storing it to ensure the silicone stays clean and odor-free.
4. Always store your scuba mask in its hard case. If your mask did not come with a hard case purchase an after-market hard case. This will protect your mask from dirt and abrasives and protect it while traveling. Always store the case out of direct sunlight. Direct sunlight will break down the silicone after years of exposure.
5. Periodically repeat the toothpaste treatment to keep the lens of your scuba mask clean. A good rinse after each dive helps to keep your mask clean, but to ensure there is no residue or grit left on your scuba mask you must properly clean it on a regular basis."
"The scuba tank is one of the most important pieces of dive equipment. It must be looked after. A well-maintained tank could give 20 or 30 years service. A neglected tank can fail with the force of a hand grenade. It pays to care for a scuba tank, not only for economy, but also for safety and diving enjoyment.
The following ten tips can help ensure a scuba diving tank will provide many years of faithful diving service.
1) Never completely empty a scuba tank. Always leave at least 1000 kPa to ensure moisture doesn’t enter.
2) Always rinse the scuba tank and valve in fresh water after use.
3) If the scuba tank is to be stored for a few months, drain the air down to around 1000 kPa. This is to decrease the amount of oxygen that can cause corrosion.
4) A scuba tank should be stored standing up out of direct sunlight.
5) A scuba tank should be carried with care and attention. They shouldn’t be carried on the shoulder as a fall can lead to the valve getting smashed off and the tank taking off like a rocket.
6) A scuba tank should be regularly tested in accordance with statutory regulations.
7) A scuba tank should not be left in a closed car in the heat of the day. It can heat up and explode or the burst disk can rupture; both scenarios leading to damage to the car. When in the car the tank should be carried with the valve towards the back. If the car brakes suddenly the tank valve won’t be damaged as the tank moves forward with its momentum.
8) The scuba tank valve should not be turned off too tightly. It only has to be just nipped closed enough to stop the air flow.
9) A scuba tank should be filled with clean, dry air. Any discolouration around the air outlet or bad odour should be treated with suspicion. If there are any doubts that a tank has been filled with bad air, it should not be used for scuba diving and should be checked immediately. A bad fill can lead to damage to the tank, as well as pose a threat to a diver.
10) If painting a tank, ensure no heat curing paints or strippers are used as these could affect the strength of the tank."