Red Sea Max s650

Angels best · Nov 20, 2018

Does anyone know how the auto top of works?

Been trying to figure the floater valve or the toggle on top but it seems that it makes my reservoir go so fast.

#redsea #redseamax #redseamaxs650

NY_Caveman · Nov 21, 2018

Maybe @SPR1968 knows this?

SPR1968 · Nov 21, 2018

It’s basically just a simple float valve.

When the water level drops the float drops and it opens the valve up. The screw/toggle controls the rate of flow through the valve when it’s opens.

So you just adjust the toggle until you get the flow rate you want when the valve open. Red Sea in the instructions say something about setting it to drip but I prefer it to pour out when the valve is open.

Depending on the rate of evaporation, when I used the float as ATO the reservoir only lasted about 4-5 days. I now have a Tunze Osmolator as primary with a large external reservoir and the inbuilt one and float are now backups.

Does that help ? Just ask away if you need any more help.

Angels best · Nov 21, 2018

SPR1968 said:
It’s basically just a simple float valve.

When the water level drops the float drops and it opens the valve up. The screw/toggle controls the rate of flow through the valve when it’s opens.

So you just adjust the toggle until you get the flow rate you want when the valve open. Red Sea in the instructions say something about setting it to drip but I prefer it to pour out when the valve is open.

Depending on the rate of evaporation, when I used the float as ATO the reservoir only lasted about 4-5 days. I now have a Tunze Osmolator as primary with a large external reservoir and the inbuilt one and float are now backups.

Does that help ? Just ask away if you need any more help.

Also i dont see it pouring when im adjusting the toggle. :/

GtiKyle · Nov 21, 2018

I'll add to the above since i just messed with mine last night after getting my tank Saturday.

I couldn't figure out why mine was leaking from the needle valve screw. There appears to be an o-ring inside mine that either was over tightened or just not sealing properly. Even with the float switch in the up position, i was getting water leaking from that needle valve threads. This basically made it a dripper and the float did nothing.

I added some teflon tape to the threads of the adjustment needle valve. Then i turned the knob until i got the desired drip rate when the float is down. I hope this helps.

Angels best · Nov 21, 2018

GtiKyle said:
I'll add to the above since i just messed with mine last night after getting my tank Saturday.

I couldn't figure out why mine was leaking from the needle valve screw. There appears to be an o-ring inside mine that either was over tightened or just not sealing properly. Even with the float switch in the up position, i was getting water leaking from that needle valve threads. This basically made it a dripper and the float did nothing.

I added some teflon tape to the threads of the adjustment needle valve. Then i turned the knob until i got the desired drip rate when the float is down. I hope this helps.

So how did you fix the o ring? Is the white valve toggle removable?

GtiKyle · Nov 21, 2018

Unscrew the top needle valve until it comes off, look inside and there should be an o-ring. Mine was so far up in there even with a dental pick i couldn't get it out. I'm not clear if this is why mine leaks, but I figured the next best thing was teflon tape to seal it up. Without sealing, even when the toggle was horizontal (off, sump is full) it would just bleed out the top needle valve.

You can remove the toggle float by unscrewing the nut that holds it into the side of the sump. I did this to test and make sure when i blew through it that air stopped when i brought the toggle up to horizontal.

With all the parts in hand, you can reassemble the unit with teflon tape, and try out the flow rate, and check to make sure the flow stops when you push the toggle valve to the horizontal position. When i had it doing what i needed, i reassembled it back into the sump. I hope this helps, I should have taken some pictures last night!

Angels best · Nov 21, 2018

GtiKyle said:
Unscrew the top needle valve until it comes off, look inside and there should be an o-ring. Mine was so far up in there even with a dental pick i couldn't get it out. I'm not clear if this is why mine leaks, but I figured the next best thing was teflon tape to seal it up. Without sealing, even when the toggle was horizontal (off, sump is full) it would just bleed out the top needle valve.

You can remove the toggle float by unscrewing the nut that holds it into the side of the sump. I did this to test and make sure when i blew through it that air stopped when i brought the toggle up to horizontal.

With all the parts in hand, you can reassemble the unit with teflon tape, and try out the flow rate, and check to make sure the flow stops when you push the toggle valve to the horizontal position. When i had it doing what i needed, i reassembled it back into the sump. I hope this helps, I should have taken some pictures last night!

Thank you so much... yes please if you have pictures it would help me better... [emoji1360] i guess we have the same problem.