Co2 tank at 500 psi what does this mean?

[Mookie]

Just checked my co2 tank at it's at 500psi, the tank seems pretty heavy still. Not sure if it's time for a top-up? Cos I bought it 2nd hand and the seller told me it had 80% remaining and I only used it for a week.

[Shadow]

The seller probably does not know about it either.

In our weather the pressure of full CO2 tank is around 1000psi, cold weather maybe around 900psi. Anything below that mean that there is no loger liquid CO2 inside, meaning it is going to empty soon. The only way to measure how many % CO2 contain is by weight no by looking at the PSI.

[Mookie]

The seller probably does not know about it either.

In our weather the pressure of full CO2 tank is around 1000psi, cold weather maybe around 900psi. Anything below that mean that there is no loger liquid CO2 inside, meaning it is going to empty soon. The only way to measure how many % CO2 contain is by weight no by looking at the PSI.

Looks like I got to get a top-up, now wondering if NA would top-up tanks that wasn't bought from them...

[Shadow]

NA only top up the tank that bought from them, they write NA on the main valve. However if the tank look the same, maybe they also top up for you. Maybe you want to check with them before you head down.

[hann]

Looks like I got to get a top-up, now wondering if NA would top-up tanks that wasn't bought from them...

Yes they do top-up for tanks other than NA and it takes a couple of days as Chan will send them to the factory for refill.

[Mookie]

Mine is written N.T.A, does Chan have bad eyesight? Haha

[bennyc]

From what i remember, Chan allows trade in of other CO2 tanks to his tank with a slight top up in cash.

[bennyc]

NTA, if not mistaken, it is from Nanyang seaview. And again if i never remember wrongly, i think they have 1to1 service too. You can always call them to ask.

[hann]

From what i remember, Chan allows trade in of other CO2 tanks to his tank with a slight top up in cash.

Last year, I asked him about the trade in, but he said no. Puzzled.

[Ingen]

You can try the boon keng place that does instant top up (same block as the macdonald), I can never remember the shop name... Can have enjoy the mosses there while you are at it.

[hann]

You can try the boon keng place that does instant top up (same block as the macdonald), I can never remember the shop name... Can have enjoy the mosses there while you are at it.

Is called bioplast. They do instant co2 top up

[bennyc]

Last year, I asked him about the trade in, but he said no. Puzzled.

Well, If it is total necessary way to get A NA tank. Then, another way to do (if worthwhile, after calculations) is to sell it at the marketplace and buy a NA tank.

[AQMS]

Well, If it is total necessary way to get A NA tank. Then, another way to do (if worthwhile, after calculations) is to sell it at the marketplace and buy a NA tank.

Or buy a second set to replace the empty tank and while the empty tank is being refill you can always use the extra C02 tank.
I have two co2 tank with me so i dont have to rush to go for a top up.

[thebaldingaquarist]

Is called bioplast. They do instant co2 top up

haha, not instant lah.. uncle need to bring to back and pump pump, will take about 20 mins or so.

[Mookie]

Last year, I asked him about the trade in, but he said no. Puzzled.

I called NA, they said would 1 to 1 exchange if tank was similar. Took my chance and lucky Chan did the exchange for me for just $15. Pretty pleased with their service and that I now own a NA tank haha Much simpler now for me. Originally, wanted to consider buying a new NA tank just for their 1 to 1 exchange, and sell off my tank later. But Chan saved me Abit of money!

[tawauboy]

Is called bioplast. They do instant co2 top up

the shop is called system and control engineering.
bioplast is the brand of aquarium product that they carry.

[Shadow]

I think bioplast brand no more in the market

[cmwong]

that system and control engineering place got a lot of moss growing under intense light

[milk_vanilla]

How much the top up rate in system & control engineering ? Never top up with them before


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[Mookie]

My solenoid was working fine this afternoon, and now after siesta, ON the thing, was shocked to see the working pressure has dropped from 40psi to 30psi. Furthermore, the bubbles are only coming out 1 per 5 secs, no matter how i adjust the vavle. Can someone help?