# 67 Cleaning a new customers salt water tank Carls Aquarium

[momo2317]

what kind of siphon is that?

[CarlsAquarium]

@momo2317 Python products No Spill Clean and Fill.

[blackfootindian]

how often should you clean the gravel?

[CarlsAquarium]

@blackfootindian Every time it is dirty, unless it is a deep sand bed in which case you leave it alone.

[tonyroma1161]

thats not good to do It will let toxins back into the water....

[CarlsAquarium]

@tonyroma1161 Where will the toxins come from?

[aquaplus786]

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[Blunper]

Who clean the sand in the ocean?

[CarlsAquarium]

@Blunper The same cleanup crew that we use in the aquarium.

[vdre3]

hi, how is the phosguard? can you tell me a bit of it and how long i can use it in a reef tank? thanks for your time

[CarlsAquarium]

@vdre3 Phosguard is great, I use it all the time in my coral tanks, and replace it when the phosphates start to rise, always rinse with cold water before using.

[vdre3]

@CarlsAquarium so there is no limited time to use phosphate and i got to test my water to know when to replace it right. Thanks

[CarlsAquarium]

@vdre3 That is correct.

[dickiedocker]

Can i clean the sand in my tank with one of those thingys :)

[CarlsAquarium]

You can clean any sand or gravel with the gravel cleaner, you control the speed of the water by pinching the hose so that you only remove the dirt, not the sand or gravel.